DNC 2016: N.J.'s Booker gets star treatment as he campaigns for Clinton
Senator Cory Booker (Tris Hussey/Flickr)

PHILADELPHIA -- Though he's not on the national Democratic ticket this fall, U.S. Sen. Cory Booker will play a major role in electing the people who are. By the time the 2016 Democratic National Convention adjourns Thursday night, Booker will have spoken to seven delegations, including New Jersey, and delivered a prime time address to the…