WASHINGTON — U.S. President Donald Trump has abruptly fired the director of the U.S. National Security Agency, according to U.S. officials and members of Congress, but the White House and the Pentagon have provided no reasons for the move. Senior military leaders were informed Thursday of the firing of U.S. Air Force Gen. Tim Haugh, who also oversaw the Pentagon’s Cyber Command, the officials said. They received no advance notice about the decision to remove a four-star general with a 33-year career in intelligence and cyber operations, according to the officials, who spoke on the condition of anonymity to discuss...