Swimmer Michael Phelps carries the flag to lead the U.S. team during the opening ceremonies of the Summer Olympic Games on Friday, Aug. 5, 2016, at Maracana Stadium in Rio de Janeiro, Brazil.
Swimmer Michael Phelps carries the flag to lead the U.S. team during the opening ceremonies of the Summer Olympic Games on Friday, Aug. 5, 2016, at Maracana Stadium in Rio de Janeiro, Brazil. Mark Reis TNS
Swimmer Michael Phelps carries the flag to lead the U.S. team during the opening ceremonies of the Summer Olympic Games on Friday, Aug. 5, 2016, at Maracana Stadium in Rio de Janeiro, Brazil. Mark Reis TNS