Super Tuesday is the biggest day on the primary calendar, and the results seem very likely to reshape the Democratic presidential race in ways few could have predicted a couple weeks ago. Here are some takeaways from the results.

BIDEN BOUNCES BACK BIG

It is hard to overstate the speed and depth of the comeback of former Vice President Joe Biden. He was embarrassed in Iowa, New Hampshire and Nevada, and left many Democrats looking for an alternative.

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A decisive victory in South Carolina left him buoyant but also highly vulnerable heading into Super Tuesday, with 14 primaries spread from Maine to California. He had little money and only limited organization in place.

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