Article Photos: Biden arrives in Charlotte, NC for Dem convention



Occupy Demonstrators shout at police during an unscheduled protest march, Tuesday, Sept. 4, 2012, in Charlotte, N.C. The Democratic National Convention begins today. (AP Photo/Chuck Burton)

Occupy Demonstrators shout at police during an unscheduled protest march, Tuesday, Sept. 4, 2012, in Charlotte, N.C. The Democratic National Convention begins today. (AP Photo/Chuck Burton)