MADISON — On the stump on the night of Wednesday, April 8, Joe Hathaway, a straight-out-of-central-casting moderate Republican candidate for Congress, extolled the virtues of a political and governing style that has virtually vanished from Washington, DC: bipartisan cooperation. “You guys send us down to represent you, and that means we've got to go to work," Hathaway told a mostly Republican audience of about 40 at a local community center. “So that means we're gonna do what's right for the American people and work with people you don't always agree with. Guess what? We all do that at our day...