Los Angeles Mayor and Democratic Convention Chairman Antonio Villaraigosa addresses the Democratic National Convention in Charlotte, N.C., on Thursday, Sept. 6, 2012. (AP Photo/J. Scott

 

              Los Angeles Mayor and Democratic Convention Chairman Antonio Villaraigosa addresses the Democratic National Convention in Charlotte, N.C., on Thursday, Sept. 6, 2012. (AP Photo/J. Scott
Los Angeles Mayor and Democratic Convention Chairman Antonio Villaraigosa addresses the Democratic National Convention in Charlotte, N.C., on Thursday, Sept. 6, 2012. (AP Photo/J. Scott Applewhite)