As the 113th Congress winds to a close, there are a lot of complaints about its lack of productivity, not least from the President himself. The Senate and the House are controlled by different parties and do not agree on much. But the resulting gridlock has one great virtue. It promotes federalism by preventing Congress from preempting the policy choices of the several states.
This effect is all the more important in the modern era, because the Constitution’s original protection of the political space for state policy making—the enumerated powers—has been almost entirely destroyed. It is true that the Supreme Court slightly revived constraints on the federal government in United States v. Lopez, but the actual effects of that revival have been more symbolic than consequential. On economic matters, as a matter of positive law rather than the original meaning of the Constitution, the federal government enjoys almost plenary powers.
But happily federalism is also protected by the difficulty of enacting federal legislation—which is more than a parchment barrier. Federal laws can be only be enacted with the agreement of both Houses and the President. This requirement in effect creates a mild supermajority rule, making it harder to enact legislation to preempt the states at a time, like now, when the nation is closely divided between the parties.
For fans of federalism, this division has a silver lining that outshines the clouds of partisan rancor.