https://gdb.voanews.com/7EFBFBFA-3A22-41B9-8030-8EE1BE42D1A4_cx0_cy4_cw0_w1200_r1_s.jpg voanews.com with biden in the race, 20 democrats are running for president 2019-04-26 Cory Booker, D-N.J., waits Feb 8, 2019, Mason City, Iowa.. ..…