Booker reintroduces bill to legalize marijuana with support from 2020 rivals

With the support of several of his rivals for the 2020 Democratic presidential nomination, New Jersey Sen. Cory Booker reintroduced a bill Thursday to legalize marijuana nationwide and expunge federal convictions for possession or use of the drug.Four of Booker's opponents for the nomination are among the co-sponsors of his Marijuana Justice Act: Sens. Kirsten Gillibrand, Kamala Harris, Bernie Sanders and Elizabeth Warren. Two more co-sponsors, Sens. Michael Bennet and Jeff Merkley, are openly c