Those hoping “The Campaign” would be an economic-political satire will probably be a little disappointed, but for those ready to laugh at some Dog-Gate 2012-like absurdity with two comedic heavyweights behind the wheel, this Will Ferrell-Zach Galifianakis comedy hits the mark. Ferrell is Cam Brady, on his way to another term as congressman for Hammond, NC, while Galifianakis is Marty Huggins, the effeminate, disappoint-