Navigate to 'Browse' within the main navigation area and click on 'Discussion Posts'. This will display all of the discussion posts within your communities. If you see a post you’re interested in, click the subject line which will take you to the entire thread. “Show original message” at the bottom of all of the posts in a thread will display the original message that started that discussion. The “Author’s Messages” link will show you all of the posts that particular member has contributed to that community.