FILE- In this Sunday, March 15, 2020 file photo, former Vice President Joe Biden, participates in a Democratic presidential primary debate at CNN Studios in Washington. Joe Biden swept to victory in Florida, Illinois and Arizona on Tuesday, increasingly pulling away with a Democratic presidential primary upended by the coronavirus and building pressure on Bernie Sanders to abandon his campaign. (AP Photo/Evan Vucci, File)
March 18, 2020
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March 18, 2020 11:58 a.m.
5 primary takeaways: Joe Biden is Democrats' antidote
Joe Biden's surge toward the Democratic presidential nomination rolled on with a dominating victory in Florida, the largest delegate prize in Tuesday's primaries, and wins in Illinois and Arizona.