Chicago's 2016 Olympic Bid

President Barack Obama, first lady Michelle Obama, center, and Chicago Mayor M. Richard Daley, right, watch as Olympian Ryan Reser, in white, is thrown by Paralympian Myles Porter, during a demonstration of judo at an event supporting Chicago's 2016 Olympic bid, Wednesday, Sept. 16, 2009, on the South Lawn of the White House in Washington.

Credit: AP Photo/Charles Dharapak