Former President Donald Trump has repeatedly been accused of leaking US secrets, but the latest allegations against him involve key details about some of the most sensitive weapons in the US nuclear arsenal. Trump gave key details on the US Navy’s elite submarine fleet — including the number of nuclear warheads they can carry and how close they can get to Russian vessels without being detected — to Australian billionaire Anthony Pratt, who passed the information on to dozens of friends and contacts, according to ABC News and The New York Times. The alleged disclosure is only the latest in...