 ABC News, I'm Brian Clark. President Biden campaigning in Philadelphia, telling a church audience. You know, I've been doing this a long time. And I, honest to God, have never more optimistic about America's future if we stick together. But his own political future remains a question in Washington. Five Democratic members of the House have called on him to leave the race against former President Donald Trump, along with several major donors. And Congress reconvenes this week.