New Jersey Democratic Sen. Cory Booker introduced legislation to end the federal prohibition of marijuana on Thursday, joined by a series of other announced and potential Democratic 2020 presidential hopefuls including Elizabeth Warren, Kirsten Gillibrand, Bernie Sanders, and Kamala Harris...Booker added: “But it’s not enough to simply decriminalize marijuana. We must also repair the damage caused by reinvesting in those communities that have been most harmed by the War on Drugs. And we must expunge the records of those who have served their time.