Charles Krauthammer, a Pulitzer Prize-winning conservative columnist, dies at 68 after battle with cancer. Krauthammer was one of the nation's most influential conservative commentators. He frequently graced television screens across America on Fox News with his adept analysis in politics, many times leaving others on battering panels without any way to top his intellect. Krauthammer told his readers and viewers in June an aggressive form of cancer had returned. Ref. USAToday.