Delegates show their support for the Obama/Biden campaign during the American Federation of Teachers 2012 convention at Cobo Center in Detroit, Sunday, July 29, 2012. President Barack O

 

              Delegates show their support for the Obama/Biden campaign during the American Federation of Teachers 2012 convention at Cobo Center in Detroit, Sunday, July 29, 2012. President Barack O
Delegates show their support for the Obama/Biden campaign during the American Federation of Teachers 2012 convention at Cobo Center in Detroit, Sunday, July 29, 2012. President Barack Obama and Vice President Joe Biden are seeking reelection in November. (AP Photo/Detroit Free Press, Kathleen Galligan)