As the world awaits the Supreme Court's ruling on ObamaCare, there's a larger story that the pundits are missing: the court's rejection of the Obama administration's increasingly extreme claims on behalf of unlimited federal power.

This term alone, the high court has ruled unanimously against the government on religious liberty, criminal procedure and property rights. When the administration can't get even a single one of the liberal justices to agree with it in these unrelated areas of the law, that's a sign there's something...