Actor, comedian, and musician Jack Black has endorsed Elizabeth Warren for President of the United States.<br />The comedic celebrity said he’s “all in” for Warren in an endorsement shared on Twitter.<br />Black’s celebrity backing comes as Democrats prepare for their next battle in Saturday’s South Carolina primary.<br />Warren's campaign needs Black's endorsement. She is in an unstoppable downward spiral.<br />She's fifth in North and South Carolina.<br />She's forth in California and Texas.
