A senior Defense Department procurement official is seeking guarantees from the services and defense agencies that key acquisition workers in those organizations refrain from acting outside their assigned responsibilities during source-selection proceedings for major programs. In a Sept. 17 memo, DOD's Shay Assad directed the services and defense agencies to "certify" that no senior leaders are in multiple positions of responsibility during the source-selection phase for "major weapon systems" or "major service acquisitions." Assad is the director of defense procurement,...