Breitbart writes, Presidential leadership is a prominent theme at this year's Oscars--and a lacking theme in American politics today. Three contenders for the Oscar provide an alternative: Lincoln, Argo, Zero Dark Thirty (Obama). Each was written with a view to current (Democratic) politics. Tony Kushner wrote Lincoln to support Obama's ideological push against the Reagan revolution; Argo is an attempt to rewrite history's view of the inept Jimmy Carter's conduct during the Iran hostage crisis; and Zero Dark Thirty was long suspected of being an election-year promotion for Obama (whose White House may…