U.S. President Barack Obama appears with tears on his cheek during remarks at his final presidential campaign rally in Des Moines, Iowa

 
U.S. President Barack Obama appears with tears on his cheek during remarks at his final presidential campaign rally in Des Moines, Iowa
U.S. President Barack Obama appears with tears on his cheek during remarks at his final presidential campaign rally in Des Moines, Iowa, November 5, 2012, on the eve of the U.S. presidential elections. REUTERS/Jason Reed