Attendees at the annual White House Correspondents Dinner on Sunday night were treated to the usual round of self-deprecating jokes by the president and good-natured mockery of the media outlets who cover the events at the Capitol - and a special video in which Steven Spielberg discusses his latest "project". Casting the movie "Obama", explains the world-famous director, was not easy. "Picking the right actor to play Obama, that was challenge," Spielberg says. "So I needed someone who could really dive in and become Barack Obama."
