Gov. Polis on Biden: ‘The burden is on him’ to show he can beat Trump

Colorado Gov. Jared Polis tells CNN’s Jake Tapper that Biden needs to show Democrats that he can turn his campaign around and says “he hasn’t done that yet.”Colorado Gov. Jared Polis tells CNN’s Jake Tapper that Biden needs to show Democrats that he can turn his campaign around and says “he hasn’t done that yet.”