Federal Aviation Administrator Steve Dickson says he won’t allow the Boeing 737 Max jets return to the skies for service until he personally flies the plane himself. “I’m the final sign-off authority in the U.S., and I’m not going to sign off on the aircraft until I would fly it myself,” Dickson told NBC News during an interview in Las Vegas. NBC Correspondent Tom Costello pressed Dickson, a former pilot who is licensed to fly the 737, if he will actually pilot the plane on a short flight before officially approving the Max for commercial operation. “I will fly the...