Television talk show host Oprah Winfrey (C) sits with other members of the U.S. delegation as U.S. President Barack Obama finishes his presentation in Copenhagen October 2, 2009 in support of Chicago as the host city for the 2016 Summer Olympic Games. The International Olympic Committee (IOC) will choose between Chicago, Madrid, Rio de Janeiro and Tokyo in a vote at the end of a day of presentations by the four candidates on Friday. Reuters Pictures 1 month ago

Television talk show host Oprah Winfrey (C) sits with other members of the U.S. delegation as U.S. President Barack Obama finishes his presentation in Copenhagen October 2, 2009 in support of Chicago as the host city for the 2016 Summer Olympic Games. The International Olympic Committee (IOC) will choose between Chicago, Madrid, Rio de Janeiro and Tokyo in a vote at the end of a day of presentations by the four candidates on Friday.