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September 6, 2012
Lynne Sladky photo

Vice President Joe Biden speaks to delegates at the Democratic National Convention in Charlotte, N.C., on Thursday, Sept. 6, 2012.

Lynne Sladky photo

Vice President Joe Biden speaks to delegates at the Democratic National Convention in Charlotte, N.C., on Thursday, Sept. 6, 2012.

Jae Hong photo

President Barack Obama addresses the Democratic National Convention in Charlotte, N.C., on Thursday, Sept. 6, 2012.