Biden claims 10 Super Tuesday victories, including Texas

A resurgent Joe Biden scored sweeping victories from Texas to Massachusetts on Super Tuesday, revitalizing a presidential bid that was teetering on the edge of disaster just days earlier. But his rival Bernie Sanders seized the biggest prize with a win in California that ensured he would drive the Democrats' nomination fight for the foreseeable future.

FACT CHECK: Dems implore fact checkers to back them up

The last debate before a crucial stage of the primaries was an often unruly affair as the Democratic presidential contenders powered past the moderators in a scramble to take credit and occasionally dodge blame on a range of subjects.