2020 Democratic presidential candidates, from left, tech entrepreneur Andrew Yang; former South Bend, Indiana Mayor Pete Buttigieg; Sen. Bernie Sanders, I-Vt., former Vice President Joe Biden; Sen. Elizabeth Warren, D-Mass.; Sen. Amy Klobuchar, D-Minn.;, and Tom Steyer, a billionaire philanthropist, arrive on stage during the Democratic presidential debate at Saint Anselm College in Manchester, New Hampshire on Friday, Feb. 7, 2020. The New Hampshire debates often mark a turning point in a presidential campaign, as the field of candidates is winnowed and voters begin to pay closer attention.
