DNC 2012 (19 images)

Protesters join forces while flanked by crowd control police during an Occupy rally at the 2012 Democratic National Convention in Charlotte, North Carolina on September 2, 2012. UPI/Gary C. Caskey

President Barack Obama campaign pins for the Democratic National Convention are seen for sale at a merchandise area near the Time Warner Cable Arena in Charlotte, North Carolina on September 9, 2012. UPI/Kevin Dietsch

A union worker carries an American flag adorned with a bust of President Barack Obama in the annual Labor Day parade during the 2012 Democratic National Convention in Charlotte, North Carolina on September 3, 2012. UPI/Nell Redmond

A voter registration worker attends the Carolinafest during the 2012 Democratic National Convention in Charlotte, North Carolina on September 3, 2012. UPI/Nell Redmond