<Li> Jump up ^ Charlie Savage (May 26, 2011). "Libya Effort Is Called Violation of War Act". The New York Times . p . A8 . </Li> <Li> Jump up ^ Savage, Charlie (June 18, 2011). "2 Top Lawyers Lost to Obama in Libya War Policy Debate". The New York Times . p . A1 . </Li> <Li> Jump up ^ Savage, Charlie (June 18, 2011). "President overruled 2 key lawyers on debate over Libya war policy". The Seattle Times . </Li> <Li> ^ Jump up to: Cosgrove, Maureen . "State Department legal adviser: Obama acting lawfully in Libya", JURIST (June 28, 2011). </Li>

A presidential power that has been challenged by congress since 1980 is the power to