U.S. President Barack Obama (R) greets people in the crowd gathered to watch him arrive on Air Force One at Griffiss International Airport in Rome, New York, May 22, 2014. Obama will be highlighting the tourism industry during a visit to the National Baseball Hall of Fame in Cooperstown, New York, before flying to Chicago to speak at Democratic party events. REUTERS/Jonathan Ernst (UNITED STATES - Tags: POLITICS TPX IMAGES OF THE DAY)