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Announcements in the queue show a status of "Pending" with a red background in the topic management screen. Click the green checkmark icon ("Publish") in order to publish the announcement. If the announcement is scheduled to display today, the status changes to "Showing" with a green background. However, if the announcement is post-dated, it will show a status of "Scheduled" also with a green background. When an announcement has expired (and before it is automatically deleted) it will show a status of "Expired" with a red background. 
Unpublishing an Announcement
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Announcements that expired the previous day are automatically deleted at 3 a.m. each morning. This includes announcements with a "Pending" status. You may also delete an announcement manually by clicking the trash can icon ("Delete") in the topic management screen. 
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Deleting a Topic
If you are a Portal Administrator as defined by the "Portal_Administrators" group in =portlet.xml=, you may delete an entire topic. Doing so will delete all announcements within the topic and the action is not reversible. To delete the entire topic, click the trash can icon ("Delete") in the "Admin Home" screen. 
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Delegating the Workload
You should try to delegate your workload by allow other users to become Topic Admins, Contributors or Editors of a certain topic. You assign them in the same way that you assign Audience Members (see [#Setting_up_Topic_PermissionsTopic Permissions]). Additionally, a diminished UI is provided for each type of role. For example, contributors and editors cannot see the "Permissions" section of the Topic management screen. See the chart below for the differences between roles.
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A live emergency announcement is depicted below. 