The Air Force's 89th Airlift Wing is reviewing a report after people traveling aboard Air Force One on Sunday saw an object that appeared to be a drone as the plane was landing at Joint Base Andrews outside Washington. "We were making the approach, but not yet in the final landing run. I saw a thing with a kind of X shape and part of it was yellow. That's all I can say," a witness told CNN. "This was a brief moment, obviously, but not flashing by," the witness said. "I had long enough to do a double take, then...