text:  in Northern Ireland. Those are all things Starmer may have to deal with. For now, though, he's celebrating his huge mandate on his first night in Downing Street. Lauren Freyer, NPR News, London. The heartbeat of the U.S. economy is the job market, and today we learned that heartbeat slowed down a bit last month. Is it just settling into a healthy rhythm, or is there something more worrisome going on?