There is no vacancy on the Supreme Court, but the battle over the next nominee has already begun. Hollywood's favorite group, People for the American Way, is bragging about its new war room, equipped with dozens of computers and scores of staffers to conduct opposition research on President Bush's presumed nominees and network with grassroots organizations. Other liberal groups are conducting polling and raising funds for paid television advertising. Conservatives must prepare for this fight, but in a way that is smarter and different from the past. The Left's approach will be to smear the candidate, whomever he or she...