Hear us out: If conservatives want to restrain the federal government and ensure that government officials follow the Constitution, they should follow the example of California lawmakers. While the country’s biggest Blue State is well-known for its progressive politics, a recently passed law is actually a throwback to old-school federalism.

First, a fact that affects every American in every state: It is almost impossible to hold federal officials accountable for violating the U.S. Constitution in court. A potent example comes from Arkansas.