The Dirtiest Mudslinging Ever 7/30/2008 1:19 PM PT John McCain is allowed to call Barack Obama lots of things, but comparing him to Paris and Britney -- that's going below the belt ... with no panties on. Check out McCain's new pap smear campaign. See Also Barack Gives Hillary the Kiss-Off Share on Facebook Share on X Britney Spears Paris Hilton Prez Election 2008