diff --git a/plone/app/discussion/browser/configure.zcml b/plone/app/discussion/browser/configure.zcml
index 7bb5aac..c089074 100644
--- a/plone/app/discussion/browser/configure.zcml
+++ b/plone/app/discussion/browser/configure.zcml
@@ -100,6 +100,15 @@
         permission="plone.app.discussion.ReviewComments"
         />
 
+    <!-- Reject comment view -->
+    <browser:page
+        for="plone.app.discussion.interfaces.IComment"
+        name="moderate-reject-comment"
+        layer="..interfaces.IDiscussionLayer"
+        class=".moderation.RejectComment"
+        permission="plone.app.discussion.ReviewComments"
+        />
+
     <!-- Comments viewlet -->
     <browser:viewlet
         name="plone.comments"
diff --git a/plone/app/discussion/browser/javascripts/moderation.js b/plone/app/discussion/browser/javascripts/moderation.js
index 2df2b3f..593bc29 100644
--- a/plone/app/discussion/browser/javascripts/moderation.js
+++ b/plone/app/discussion/browser/javascripts/moderation.js
@@ -67,17 +67,57 @@ require([  // jshint ignore:line
             var path = $(row).find("[name='selected_obj_paths:list']").attr("value");
             var auth_key = $('input[name="_authenticator"]').val();
             var target = path + "/@@moderate-publish-comment?_authenticator=" + auth_key;
+            var moderate = $(this).closest("fieldset").attr("id") == "fieldset-moderate-comments";
             $.ajax({
                 type: "GET",
                 url: target,
                 success: function (msg) {  // jshint ignore:line
-                    // fade out row
-                    $(row).fadeOut("normal", function () {
-                        $(this).remove();
-                    });
-                    // reload page if all comments have been removed
-                    var comments = $("table#review-comments > tbody > tr");
-                    if (comments.length === 1) {
+                    if (moderate) {
+                        // fade out row
+                        $(row).fadeOut("normal", function () {
+                            $(this).remove();
+                        });
+                        // reload page if all comments have been removed
+                        var comments = $("table#review-comments > tbody > tr");
+                        if (comments.length === 1) {
+                            location.reload();
+                        }
+                    } else {
+                        location.reload();
+                    }
+                },
+                error: function (msg) {  // jshint ignore:line
+                    alert("Error sending AJAX request:" + target);
+                }
+            });
+        });
+
+
+        /**********************************************************************
+         * Reject a single comment.
+         **********************************************************************/
+        $("input[name='form.button.Reject']").click(function (e) {
+            e.preventDefault();
+            var row = $(this).parent().parent();
+            var path = $(row).find("[name='selected_obj_paths:list']").attr("value");
+            var auth_key = $('input[name="_authenticator"]').val();
+            var target = path + "/@@moderate-reject-comment?_authenticator=" + auth_key;
+            var moderate = $(this).closest("fieldset").attr("id") == "fieldset-moderate-comments";
+            $.ajax({
+                type: "GET",
+                url: target,
+                success: function (msg) {  // jshint ignore:line
+                    if (moderate) {
+                        // fade out row
+                        $(row).fadeOut("normal", function () {
+                            $(this).remove();
+                        });
+                        // reload page if all comments have been removed
+                        var comments = $("table#review-comments > tbody > tr");
+                        if (comments.length === 1) {
+                            location.reload();
+                        }
+                    } else {
                         location.reload();
                     }
                 },
@@ -171,7 +211,8 @@ require([  // jshint ignore:line
          **********************************************************************/
         $(".last-history-entry").each(function() {
             $(this).load($(this).attr("data-href") + " .historyByLine", function() {
-                $(this).children(".historyByLine").last().remove();
+                let currententry = $(this).children(".historyByLine").first();
+                $(this).html(currententry);
             });
         });
 
diff --git a/plone/app/discussion/browser/moderation.pt b/plone/app/discussion/browser/moderation.pt
index 6f5aea0..e3e56bb 100644
--- a/plone/app/discussion/browser/moderation.pt
+++ b/plone/app/discussion/browser/moderation.pt
@@ -142,7 +142,16 @@
                                                      name="form.button.Publish"
                                                      i18n:attributes="value label_publish;"
                                                      tal:attributes="id item/id"
-                                                     tal:condition="python:item.review_state == 'pending'"
+                                                     tal:condition="python:item.review_state in ['pending',]"
+                                                     />
+                                              <input id=""
+                                                     class="context comment-reject-button"
+                                                     type="submit"
+                                                     value="Reject"
+                                                     name="form.button.Reject"
+                                                     i18n:attributes="value label_reject;"
+                                                     tal:attributes="id item/id"
+                                                     tal:condition="python:view.moderation_3state and item.review_state == 'pending'"
                                                      />
                                               <input id=""
                                                      class="destructive comment-delete-button"
@@ -167,7 +176,7 @@
                   Approved comments</legend>
               <div>
                   <form tal:condition="not:items_approved_or_rejected">
-                      <fieldset id="fieldset-moderate-comments" class="formPanel">
+                      <fieldset id="fieldset-moderated-comments" class="formPanel">
                           <p id="no-comments-message" i18n:translate="message_no_comments_approved">
                               No comments approved
                           </p>
@@ -179,7 +188,7 @@
                         tal:condition="items_approved_or_rejected"
                         tal:define="batch python:Batch(items_approved_or_rejected, b_size, int(b_start), orphan=1);">
 
-                      <fieldset id="fieldset-moderate-comments" class="formPanel">
+                      <fieldset id="fieldset-moderated-comments" class="formPanel">
 
                           <div metal:use-macro="here/batch_macros/macros/navigation" />
 
@@ -190,7 +199,7 @@
                                       <th class="nosort" i18n:translate="heading_date">Date</th>
                                       <th class="nosort" i18n:translate="heading_in_reponse_to">In Response To</th>
                                       <th class="nosort" i18n:translate="heading_comment">Comment</th>
-                                      <th class="nosort" i18n:translate="heading_approvedby">Approved by</th>
+                                      <th class="nosort" i18n:translate="heading_changedby">Last Action</th>
                                       <th class="nosort" i18n:translate="heading_action">Action</th>
                                   </tr>
                               </thead>
@@ -215,8 +224,8 @@
                                               <a tal:attributes="href item_url"
                                                  tal:content="item/in_response_to" />
                                           </td>
-                                          <td>
-                                              <span tal:replace="item/Description" />
+                                          <td tal:attributes="class  python:item.review_state=='rejected' and 'state-private'">
+                                              <span tal:replace="item/Description"/>
                                               <a href=""
                                                  tal:attributes="href string:$item_url/getText"
                                                  tal:condition="python:item.Description.endswith('[...]')"
@@ -229,10 +238,27 @@
                                                   last history entry
                                               </span>
                                           </td>
-
                                           <td class="actions">
                                               <input type="hidden" name="selected_obj_paths:list" value="#"
                                                      tal:attributes="value item/getURL" />
+                                              <input id=""
+                                                     class="context comment-publish-button"
+                                                     type="submit"
+                                                     value="Approve"
+                                                     name="form.button.Publish"
+                                                     i18n:attributes="value label_publish;"
+                                                     tal:attributes="id item/id"
+                                                     tal:condition="python:item.review_state in ['pending', 'rejected']"
+                                                     />
+                                              <input id=""
+                                                     class="context comment-reject-button"
+                                                     type="submit"
+                                                     value="Reject"
+                                                     name="form.button.Reject"
+                                                     i18n:attributes="value label_reject;"
+                                                     tal:attributes="id item/id"
+                                                     tal:condition="python:view.moderation_3state and item.review_state == 'published'"
+                                                     />
                                               <input id=""
                                                      class="destructive comment-delete-button"
                                                      type="submit"
diff --git a/plone/app/discussion/browser/moderation.py b/plone/app/discussion/browser/moderation.py
index ac9af20..977b08a 100644
--- a/plone/app/discussion/browser/moderation.py
+++ b/plone/app/discussion/browser/moderation.py
@@ -36,7 +36,7 @@ class View(BrowserView):
                                 sort_on='created',
                                 sort_order='reverse')
         self.comments_approved = catalog(object_provides=IComment.__identifier__,
-                                review_state='published',
+                                review_state=['published', 'rejected'],
                                 sort_on='created',
                                 sort_order='reverse')
         return self.template()
@@ -57,6 +57,23 @@ class View(BrowserView):
                 return True
         return False
 
+    @property
+    def moderation_3state(self):
+        """Returns true if a 'review 3 state workflow' is enabled on 'Discussion Item'
+           content type. A 'review 3 state workflow' is characterized by implementing
+           a 'rejected' workflow state.
+        """
+        context = aq_inner(self.context)
+        workflowTool = getToolByName(context, 'portal_workflow')
+        comment_workflow = workflowTool.getChainForPortalType(
+            'Discussion Item')
+        if comment_workflow:
+            comment_workflow = comment_workflow[0]
+            comment_workflow = workflowTool[comment_workflow]
+            if 'rejected' in comment_workflow.states:
+                return True
+        return False
+
 
 class ModerateCommentsEnabled(BrowserView):
 
@@ -189,10 +206,11 @@ class PublishComment(BrowserView):
         alsoProvides(self.request, IDisableCSRFProtection)
         comment = aq_inner(self.context)
         content_object = aq_parent(aq_parent(comment))
+        print("*** called: PublishComment for ", comment.Description)
         workflowTool = getToolByName(comment, 'portal_workflow', None)
         workflow_action = self.request.form.get('workflow_action', 'publish')
         review_state = workflowTool.getInfoFor(comment, 'review_state', '')
-        if review_state == "pending":
+        if review_state != "published":
             workflowTool.doActionFor(comment, workflow_action)
             comment.reindexObject()
             content_object.reindexObject(idxs=['total_comments'])
@@ -214,6 +232,41 @@ class PublishComment(BrowserView):
         return self.context.REQUEST.RESPONSE.redirect(came_from)
 
 
+class RejectComment(BrowserView):
+    """Reject a comment.
+
+       see PublishComment for more information
+    """
+
+    def __call__(self):
+        alsoProvides(self.request, IDisableCSRFProtection)
+        comment = aq_inner(self.context)
+        content_object = aq_parent(aq_parent(comment))
+        print("*** called: RejectComment for ", comment.Description)
+        workflowTool = getToolByName(comment, 'portal_workflow', None)
+        workflow_action = self.request.form.get('workflow_action', 'reject')
+        review_state = workflowTool.getInfoFor(comment, 'review_state', '')
+        if review_state != 'rejected':
+            workflowTool.doActionFor(comment, workflow_action)
+            comment.reindexObject()
+            content_object.reindexObject(idxs=['total_comments'])
+            notify(CommentPublishedEvent(self.context, comment))
+            IStatusMessage(self.context.REQUEST).addStatusMessage(
+                _('Comment rejected.'),
+                type='info')
+        else:
+            IStatusMessage(self.context.REQUEST).addStatusMessage(
+                _('Comment already rejected.'),
+                type='info')
+        came_from = self.context.REQUEST.HTTP_REFERER
+        # if the referrer already has a came_from in it, don't redirect back
+        if (len(came_from) == 0 or 'came_from=' in came_from or
+                not getToolByName(
+                content_object, 'portal_url').isURLInPortal(came_from)):
+            came_from = content_object.absolute_url()
+        return self.context.REQUEST.RESPONSE.redirect(came_from)
+
+
 class BulkActionsView(BrowserView):
     """Bulk actions (unapprove, approve, delete, mark as spam).
 
diff --git a/plone/app/discussion/profiles/default/workflows.xml b/plone/app/discussion/profiles/default/workflows.xml
index 328a7ac..536fb37 100644
--- a/plone/app/discussion/profiles/default/workflows.xml
+++ b/plone/app/discussion/profiles/default/workflows.xml
@@ -1,6 +1,7 @@
 <?xml version="1.0"?>
 <object name="portal_workflow" meta_type="Plone Workflow Tool">
   <object name="comment_review_workflow" meta_type="Workflow"/>
+  <object name="comment_3state_review_workflow" meta_type="Workflow"/>
   <object name="comment_one_state_workflow" meta_type="Workflow"/>
   <bindings>
     <type type_id="Discussion Item">
diff --git a/plone/app/discussion/profiles/default/workflows/comment_3state_review_workflow/definition.xml b/plone/app/discussion/profiles/default/workflows/comment_3state_review_workflow/definition.xml
new file mode 100644
index 0000000..14c53cc
--- /dev/null
+++ b/plone/app/discussion/profiles/default/workflows/comment_3state_review_workflow/definition.xml
@@ -0,0 +1,105 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<dc-workflow workflow_id="comment_3state_review_workflow" title="Comment Review Workflow" description="A simple review workflow for comments" state_variable="review_state" initial_state="pending" manager_bypass="False">
+ <permission>Access contents information</permission>
+ <permission>Modify portal content</permission>
+ <permission>Reply to item</permission>
+ <permission>View</permission>
+ <state state_id="pending" title="Pending">
+  <description>Submitted, pending review.</description>
+  <exit-transition transition_id="publish"/>
+  <exit-transition transition_id="reject"/>
+  <permission-map name="Access contents information" acquired="False">
+   <permission-role>Manager</permission-role>
+   <permission-role>Owner</permission-role>
+   <permission-role>Reviewer</permission-role>
+  </permission-map>
+  <permission-map name="Modify portal content" acquired="False">
+   <permission-role>Manager</permission-role>
+   <permission-role>Owner</permission-role>
+   <permission-role>Reviewer</permission-role>
+  </permission-map>
+  <permission-map name="Reply to item" acquired="False">
+  </permission-map>
+  <permission-map name="View" acquired="False">
+   <permission-role>Manager</permission-role>
+   <permission-role>Owner</permission-role>
+   <permission-role>Reviewer</permission-role>
+  </permission-map>
+ </state>
+ <state state_id="published" title="Published">
+  <description>Visible to everyone, non-editable.</description>
+  <exit-transition transition_id="reject"/>
+  <permission-map name="Access contents information" acquired="True">
+  </permission-map>
+  <permission-map name="Modify portal content" acquired="False">
+   <permission-role>Manager</permission-role>
+  </permission-map>
+  <permission-map name="Reply to item" acquired="True">
+  </permission-map>
+  <permission-map name="View" acquired="True">
+  </permission-map>
+ </state>
+ <state state_id="rejected" title="">
+  <exit-transition transition_id="publish"/>
+ </state>
+ <transition transition_id="publish" title="Reviewer approves content" new_state="published" trigger="USER" before_script="" after_script="">
+  <description>Approving the comment makes it visible to other users.</description>
+  <action url="%(content_url)s/content_status_modify?workflow_action=publish" category="workflow" icon="">Approve</action>
+  <guard>
+   <guard-permission>Review comments</guard-permission>
+  </guard>
+ </transition>
+ <transition transition_id="reject" title="Reject" new_state="rejected" trigger="USER" before_script="" after_script="">
+  <action url="%(content_url)s/content_status_modify?workflow_action=rejected" category="workflow" icon="">Reject</action>
+  <guard>
+   <guard-permission>Review comments</guard-permission>
+  </guard>
+ </transition>
+ <variable variable_id="action" for_catalog="False" for_status="True" update_always="True">
+  <description>Previous transition</description>
+  <default>
+
+   <expression>transition/getId|nothing</expression>
+  </default>
+  <guard>
+  </guard>
+ </variable>
+ <variable variable_id="actor" for_catalog="False" for_status="True" update_always="True">
+  <description>The ID of the user who performed the previous transition</description>
+  <default>
+
+   <expression>user/getUserName</expression>
+  </default>
+  <guard>
+  </guard>
+ </variable>
+ <variable variable_id="comments" for_catalog="False" for_status="True" update_always="True">
+  <description>Comment about the last transition</description>
+  <default>
+
+   <expression>python:state_change.kwargs.get('comment', '')</expression>
+  </default>
+  <guard>
+  </guard>
+ </variable>
+ <variable variable_id="review_history" for_catalog="False" for_status="False" update_always="False">
+  <description>Provides access to workflow history</description>
+  <default>
+
+   <expression>state_change/getHistory</expression>
+  </default>
+  <guard>
+   <guard-permission>Request review</guard-permission>
+   <guard-permission>Review portal content</guard-permission>
+  </guard>
+ </variable>
+ <variable variable_id="time" for_catalog="False" for_status="True" update_always="True">
+  <description>When the previous transition was performed</description>
+  <default>
+
+   <expression>state_change/getDateTime</expression>
+  </default>
+  <guard>
+  </guard>
+ </variable>
+</dc-workflow>