Second 2020 Democratic primary debate -- Night 1 live blog
Senators Sanders, Warren take center stage at first night of second round of presidential debates
Democratic presidential candidates Bernie Sanders and Elizabeth Warren are competing for progressive supporters; Peter Doocy reports from Detroit.
Twenty candidates for the Democratic presidential nomination are taking part in a second round of debates over two nights in Detroit beginning Tuesday evening.
Tuesday night's lineup includes Sens. Elizabeth Warren, D-Mass., Bernie Sanders, I-Vt., and South Bend, Ind. Mayor Pete Buttigieg.
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