President Obama showed his skills as a comedian at the White House Correspondents' Association annual dinner, focusing mainly on Donald Trump. He made fun of the birth certificate controversy, and ribbed Trump about his presidential ambitions. (April 30)

President Obama praises those Americans who carried out the operation to kill Osama bin Laden, tells the families of the victims of September 11, 2001 that they have never been forgotten, and calls on Americans to remember the unity of that tragic day.