http://www.cinchcast.com/cinchplayerext.swf Yesterday you might have heard that Paul Buchheit, co-founder of FriendFeed and the guy who gave Google Gmail and its “don’t be evil” motto, left Facebook to join Y Combinator as a partner. Why would someone leave a top job at pre-IPO Facebook, a company that seems to be taking over the world? Well, Los Angeles Times got Buchheit’s point of view. I went