The Pentagon would get the most bang for its buck if it determined the winner of the Air Force's next-generation tanker competition by choosing the aircraft that costs less, the outgoing DOD weapons-buying chief said today. Meeting with reporters on his last day on the job, Pentagon acquisition chief John Young said this method would generate less controversy and be less burdensome on taxpayers. Young's successor, Ashton Carter, took the oath of office at 11 a.m. "The government could possibly...