 In the United States, more senior Democrats have said they want Joe Biden to step aside as the party's presidential nominee. The latest defectors expressed their views in a private call organized by the House minority leader, Hakeem Jeffries. But the U.S. president has vowed to stay in the race. Ed Baxter has the details. As the president campaigned in Pennsylvania. The next 120 some days or so, they're going to get a real good look at who Donald Trump is.