U.S.President, Barack Obama, congratulates U.S. first lady, Michelle Obama on her speech, as he prepares to present the city of Chicago's candidature for the 2016 Olympic Games to International Olympic Committee (IOC) members during the 121st IOC session in Copenhagen October 2, 2009. The IOC will decide the host of the 2016 Summer Olympics later today. REUTERS/Denis Balibouse (DENMARK SPORT OLYMPICS)