America. Liberty. Freedom. Candidates Cam Brady (Will Ferrell) and Marty Huggins (Zach Galifianakis) care about none of these as they race for a congressional seat in "The Campaign. In "Due Date", an expectant father (Robert Downey Jr.) hurries to catch a flight home, but an encounter with an aspiring actor (Galifianakis) throws them together for a cross-country road trip.