U.S. first lady Michelle Obama greets Chicago 2016 bid team members, including U.S. track great Ed Moses, right, and former NBA player David Robinson, top left, at a hotel in Copenhagen before she meets with International Olympic Committee (IOC) members in Copenhagen,Wednesday, Sept. 30, 2009. Michelle Obama has joined the Chicago 2016 bid team who are competing with Tokyo, Madrid, and Rio de Janeiro for the right to host the 2016 Summer Olympic Games. The IOC will choose the winning city in a vote on Friday, Oct. 2, in Copenhagen. AP Photo logo AP Photo 29 months ago

U.S. first lady Michelle Obama greets Chicago 2016 bid team members, including U.S. track great Ed Moses, right, and former NBA player David Robinson, top left, at a hotel in Copenhagen before she meets with International Olympic Committee (IOC) members in Copenhagen,Wednesday, Sept. 30, 2009. Michelle Obama has joined the Chicago 2016 bid team who are competing with Tokyo, Madrid, and Rio de Janeiro for the right to host the 2016 Summer Olympic Games. The IOC will choose the winning city in a vote on Friday, Oct. 2, in Copenhagen.