New Jersey Democratic Sen. Cory Booker launches 2020 bid
5:20am PST - February 1st, 2019 cory booker - Associated PressWASHINGTON (AP) — U.S. Sen. Cory Booker on Friday declared his bid for the presidency in 2020 with a sweeping call to unite a deeply polarized nation around a "common purpose."The New Jersey Democrat, who is the second black candidate in a primary field that'…