Television talk show host Oprah Winfrey, center, sits with other members of the U.S. delegation as U.S. President Barack Obama finished making a presentation in support of Chicago as the host city for the 2016 Summer Olympic Games, Friday, Oct. 2, 2009, in Copenhagen. Chicago, Madrid, Rio de Janeiro and Tokyo are competing to host the 2016 Summer Olympic Games and the IOC will choose the winning city in a vote on Friday, Oct. 2, in Copenhagen. AP Photo logo AP Photo 1 month ago

Television talk show host Oprah Winfrey, center, sits with other members of the U.S. delegation as U.S. President Barack Obama finished making a presentation in support of Chicago as the host city for the 2016 Summer Olympic Games, Friday, Oct. 2, 2009, in Copenhagen. Chicago, Madrid, Rio de Janeiro and Tokyo are competing to host the 2016 Summer Olympic Games and the IOC will choose the winning city in a vote on Friday, Oct. 2, in Copenhagen.