Article Photos: Sans chairs, celebrities come to Charlotte for DNC



Singer and "Glee" actress Amber Riley sings the National Anthem at the Democratic National Convention in Charlotte, N.C., on Tuesday, Sept. 4, 2012. (AP Photo/J. Scott Applewhite)

Singer and "Glee" actress Amber Riley sings the National Anthem at the Democratic National Convention in Charlotte, N.C., on Tuesday, Sept. 4, 2012. (AP Photo/J. Scott Applewhite)