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

 

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