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PBS News Hour
How 2020 Democrats are making final push before Iowa caucus
Sens. Bernie Sanders and Elizabeth Warren appeared to put their recent clash behind them as they joined a South Carolina celebration of Martin Luther King Jr. on Monday. But former Vice President Joe Biden questioned whether either of them would benefit the Democratic Party as the 2020 nominee. As Amna Nawaz reports, plenty of uncertainty remains only two weeks out from the Iowa caucuses.
