The top two alternative Democrat presidential candidates if President Joe Biden decides not to run are Kamala Harris and Hillary Clinton, a recent Harvard-Harris poll shows. The poll suggests that Democrats prefer far-left candidates over blue dog Democrats. Executive Producer Hillary Rodham Clinton speaks on stage during “Below The Belt” New York Premiere at Museum of Modern Art on May 24, 2022, in New York City. (Cindy Ord/Getty) Kamala Harris: 24 percent Hillary Clinton: 13 percent Bernie Sanders: 10 percent Gavin Newsom: 7 percent Pete Buttigieg: 7 percent Elizabeth Warren: 5 percent Someone else: 4 percent Alexandria Ocasio-Cortez: 3 percent