Tammy Baldwin, lead sponsor in the House of Representatives of the Buffet Rule, is running for an open seat in the Senate in Wisconsin. Besides protecting Wisconsin's Middle Class, Baldwin has also pledged to focus on protecting Social Security, affordable health care, and affordable higher education.

Prospects and Opponent: Baldwin is running against Republican Mark Neumann, who is a former Wisconsin Representative, in addition to Eric Hovde and Tommy Thompson. Currently, the race is anyone's game but Baldwin is favored among Democrats. The results of the August 14th primary election will be crucial for Baldwin's campaign.