Dramatic President Obama Announcement Open Thread

Any minute now, President Barack Obama is going to address the nation and the world, reportedly about a national security issue of vital importance that does not have anything to do witih Libya. Former Donald Rumsfeld staffer Keith Urbahn has Tweeted "I'm told by a reputable person they have killed Osama Bin Laden," and other than that I haven't heard any good intel. Let the speculation and insta-reaction begin!