ON THE SUNDAY SHOWS

On "Fox News Sunday," Richardson responded to Carville comparing him to Judas by saying he wasn’t going to “get in the gutter like that,” but it’s “typical” of many people around Clinton. Watch clip above. Also on Fox, Pennsylvania Gov. Ed Rendell challenged Richardson on Obama's electability come November, while on "This Week" Sen. Hagel explained why he never officially endorsed McCain, though he said he supports him as the nominee. Get details and full Sunday Show summaries here.