Former US president Bill Clinton addresses the audience as the giant screen behind him shows the First Lady Michelle Obama at the Time Warner Cable Arena in Charlotte, North Carolina, on September 5, 2012 on the second day of the Democratic National Convention (DNC). The DNC is expected to nominate US President Barack Obama to run for a second term as president on September 6th. AFP PHOTO / Mladen ANTONOV (Photo credit should read MLADEN ANTONOV/AFP/GettyImages)
