Think Progress has a list of some of DeMint's extremist accomplishments. Not for the weak-hearted!
The tea party nut is a perfect fit for the really really crazy Heritage Foundation:
In an unexpected move, Sen. Jim DeMint (R-SC), an arch-conservative and leader of the Tea Party movement, is resigning his seat in order to head up the Heritage Foundation, a conservative think tank in Washington DC. DeMint has been among the most extreme members of the Senate since first getting elected in 2004, drawing a hard-right line on issues from unions to LGBT rights to abortion and beyond.Liberal Politics Feminist News Gender