public function ClearCommentSelections($DiscussionID = '', $TransientKey = '') {
      $Session = Gdn::Session();
      if ($Session->ValidateTransientKey($TransientKey)) {
         $CheckedComments = Gdn::UserModel()->GetAttribute($Session->User->UserID, 'CheckedComments', array());
         unset($CheckedComments[$DiscussionID]);
         Gdn::UserModel()->SaveAttribute($Session->UserID, 'CheckedComments', $CheckedComments);
      }

      Redirect(GetIncomingValue('Target', '/discussions'));
   }