Rick Perry Endorses Newt Gingrich, Ron Paul Skips Pro-Life Forum to Vote Against Debt Ceiling Increase, FBI Shuts Down Megaupload: P.M. Links

• Rick Perry drops out, endorses Newt Gingrich. 

• APA diagnostic changes "would put an end to the autism epidemic." 
• Ron Paul misses pro-life forum in order to vote down debt ceiling increase. 
• FBI shuts down Megaupload. 
• Another al Qaeda leader has been killed (via murder drone) in Pakistan. 
• Obama simplifies tourist visa application.