This NPR News Now episode reports on U.S. military casualties in the war with Iran, including two deaths from an attack in Jordan. It covers Andy Burnham becoming the UK’s new prime minister after replacing Keir Starmer. The broadcast also highlights Troy Jackson’s lead in the Maine Democratic Senate primary, the birth of Vice President J.D. Vance’s fourth child, and air quality alerts due to Canadian wildfire smoke. Finally, it notes record-high student loan defaults across the United States.