Sen. Jim DeMint's endorsement has become the gold standard for true blue conservatives seeking a Senate seat. Alex Wong/Getty Images hide caption

toggle caption
Alex Wong/Getty Images

last week's podcast

  • <iframe src="" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

Comedian Stephen Colbert told his supporters to ask South Carolina Gov. Nikki Haley to name him to replace outgoing Sen. Jim DeMint. Scott Gries/Picturegroup hide caption

toggle caption
Scott Gries/Picturegroup