Judge Andrew Napolitano is one of American media’s most tenacious defenders of Americans' rights. His official title at Fox News, where he appears regularly on Fox and Friends and The Big Story, is “Senior Judicial Analyst.” But at the often Bush-besotted network, the decidedly skeptical Napolitano thinks of himself more as “House Civil Libertarian.” He’s the youngest life-tenured Superior Court judge in New Jersey history, and a former teacher of constitutional law at Seton Hall Law School. He also writes books alerting Americans to how their own government threatens their liberties, including The Constitution in Exile and Constitutional Chaos: What...