David Obey, a leading liberal Democrat from Wisconsin and chairman of the formidable House Appropriations Committee announced Wednesday he is retiring after 41 years in the House. NBC's Brian Williams reports.
Republican Sean Duffy speaks to supporters after winning Wisconsin's 7th Congressional District seat, Tuesday, Nov. 2, 2010, in Wausau, Wis. Duffy defeated state Sen. Julie Lassa, giving Republicans control of the seat held by the powerful liberal David Obey for 41 years. Obey is retiring. (AP Photo