About fifteen years ago, someone ran a post with a picture of the person whom he contended was the real father of Bill Clinton, and he looked just like him. I have never found that post again. Do you know how far back retrievable posts go?
Quite a ways, here’s a discussion from 2003....
http://www.freerepublic.com/focus/chat/862318/posts
You can use Google with site:freerepublic.com to do detailed searches adding any search words you like. If you commented on it, it should be easy to find.