The Pentagon is asking Congress to repeal legislation that requires the Air Force to maintain at least 74 retired KC-135E Stratotankers in case they are needed for Air Force Reserve, Air National Guard or active duty -- a revival the Defense Department argues could cost as much as $5.5 billion. The request was included in a package of legislative proposals the Defense Department sent to Congress on April 26 to be considered along with the fiscal year 2014 defense spending...