 Biden said he believes he will win in November and only the Lord Almighty could convince him to step aside. Today, he's going to church in Philadelphia. It's a campaign stop in a strongly Democratic city in a highly competitive state. Then it's on to Harrisburg, where an official says Biden will participate in a campaign community event. The president has been adding to his schedule as he works to convince skeptical Democrats that his bad debate performance was a one off and not a sign of something more serious.