Sean Duffy

Republican Sean Duffy , a former cast member of “The Real World: Boston,” announced Wednesday his bid for Wisconsin’s 7th District.

In a web video, Duffy said “government’s fiscal irresponsibility” prompted him to run and he hit out at the Democratic incumbent, 40-year lawmaker and current Appropriations Committee Chairman David R. Obey. “David Obey, my opponent, he’s the one who wrote the stimulus bill. But better yet, he’s at the center of all this spending,” Duffy said in the video. “And this spending is focused on Wall Street and on government, and I believe that small business is the way we’re going to get out of this financial crisis.”