 Wisconsin is considered a must-win state for the Biden campaign. The president is also expected to visit Pennsylvania over the weekend. Fox's Jared Halpern, former President Trump, using a social media post to challenge President Biden to a no-holds-barred debate. They both previously agreed to a second debate in September. Britain has a new prime minister, Keir Starmer, who's vowing to rebuild opportunity after a landslide win for his party in Parliament.