Former U.S. Sen. Bill Bradley introduces Newark Mayor Cory Booker during a news conference in Newark, N.J., Saturday, June 8, 2013 to announce Booker's plans to run for the U.S. Senate

 

              Former U.S. Sen. Bill Bradley introduces Newark Mayor Cory Booker during a news conference in Newark, N.J., Saturday, June 8, 2013 to announce Booker
Former U.S. Sen. Bill Bradley introduces Newark Mayor Cory Booker during a news conference in Newark, N.J., Saturday, June 8, 2013 to announce Booker's plans to run for the U.S. Senate seat that opened with the death of Frank Lautenberg (D-N.J.). Booker, 44, is currently serving in his second term as mayor. (AP Photo/Rich Schultz)