NPR News Now covers escalating U.S.-Iran tensions, with President Trump threatening strikes on uranium facilities and European diplomats withdrawing from Tehran. In US politics, Troy Jackson secures the Maine Democratic Senate nomination to challenge Susan Collins. President Trump returns to the White House Correspondents’ Dinner, criticizing media outlets. A federal panel recommends reclassifying peptide therapies despite FDA safety concerns, while wildfires in France and Spain displace over 140,000 people and disrupt the Tour de France.