Watch Live: Bernie Vs. Biden In 11th Democratic Debate

Joe Biden will face off with Sen. Bernie Sanders (I-VT) during tonight’s Democratic debate.

The former Vice President will need to remain calm and focused after several recent gaffes – including telling a Detroit autoworker that he’s “full of shit” for criticizing him over his plans for the Second Amendment, causing some to question his mental fitness to be president.

Watch live: