'This is not a joke': 9/11 responder fighting coronavirus urges people to listen to the experts

9/11 responder John Feal joins Andrea Mitchell ahead of what's likely to be a tough week for New York City, urging politicians to "come together" and for the American people "to do their part and listen to the advice of the experts." Feal is dealing with his own fight against the coronavirus, saying that he's at the tail end and doing better, but adding that it "kicked my butt."