President Donald Trump on Monday said negotiations with the Iranian regime are "proceeding nicely." He said there will only be either a great deal for all, or a return to "Battlefront and shooting, but bigger and stronger than ever before." Americans pay tribute to the roughly 1.3 million military service members who fought and died for the United States. Trump participates in a Memorial Day wreath-laying ceremony at the Tomb of the Unknown Soldier at Arlington National Cemetery. Pope Leo XIV calls for stronger regulation of artificial intelligence in his first major teaching document. He warns that the rapidly advancing technology risks spreading misinformation, fueling conflict, and normalizing war.