U.S. President Barack Obama and Vice President Joe Biden wave at the end of the final session of the Democratic National Convention in Charlotte

 
U.S. President Barack Obama and Vice President Joe Biden wave at the end of the final session of the Democratic National Convention in Charlotte
U.S. President Barack Obama (R) and Vice President Joe Biden wave at the end of the final session of the Democratic National Convention in Charlotte, North Carolina, September 6, 2012. REUTERS/Eric Thayer (UNITED