RANDY BARNETT: Is the Supreme Court’s Health-Care Ruling a Turning Point in Constitutional Law? “Although it upheld the individual mandate, the court reaffirmed the traditional view that there must be a judicially enforceable limit on the powers of Congress.”

Related: Rand Simberg: “With yesterday’s ruling, Justice Roberts has begun to close down the Commerce Clause loophole. Conservatives and libertarians need to help him finish the job.”