Washington's conservative activists have found a traitor in their midst, Senate Judiciary Committee Chairman Orrin Hatch. The occasion is Memogate, the internal Senate investigation into whether Republican aides unethically (and perhaps illegally) tapped into Democratic computer files containing private judicial-nomination strategy memos and leaked them to the press. The more the story balloons in the media, embarrassing Republicans and distracting them from trying to confirm more judges, the more right-wing activists savage Hatch, the man they hold responsible for it.To them, the Utah Republican has done something "acutely damaging to the struggle to get conservative judges onto the federal bench,"...