 By Monday morning, at least five Democratic lawmakers had called on President Joe Biden to be replaced on the Democratic ticket in the wake of his dismal performance in his debate with Donald Trump. But Biden says he's not bowing out. He took part in a phone interview on MSNBC's Morning Joe program. Joining us now, the 46th president of the United States and presumptive Democratic nominee Joe Biden calling in to Morning Joe right now. Good morning, sir.