Celebrities attend White House Correspondents' Association Dinner

U.S. President Barack Obama talks to WHCA President and Reuters correspondent Caren Bohan at the White House Correspondents Association annual dinner in Washington April 28, 2012. [Photo/Agencies]

U.S. President Barack Obama talks to Reuters Edito-in-Chief Steve Adler (L) at the White House Correspondents Association annual dinner in Washington April 28, 2012. [Photo/Agencies]