OO.ready(function() { OO.Player.create('ooyalaplayer', '12bjB2bDq0XO1znrSMzSyGNJSL-8vSc-'); });Please enable Javascript to watch this videoThis week, Reihan Salam sits down with filmmaker Errol Morris to discuss his latest film, The Unknown Known, a portrait of one of the leading architects of the Iraq War – Donald Rumsfeld.