Not infrequently Antonin Scalia lights up the Supreme Court with a lightning bolt of common sense. He did it again last week during oral arguments in Lawrence v. Texas. This is the case that in determining whether homosexual behavior is a "right" may explode the foundation of law. Famed Harvard lawyer Laurence Tribe wrote the brief submitted in the case by the American Civil Liberties Union. "Americans," he said, "have a fundamental right to be free from government regulation of consensual sexual conduct in the home." Paul Smith, attorney for petitioners John Lawrence and Tyron Garner -- who were fined...