Over the last year, there have been all kinds of court rulings related to the health care reform law, but most deal with procedural issues. They all matter, but the ones that deserve the most attention are the ones that deal with the substance of the Affordable Care Act and the legal merit of the challenges.

Going into yesterday, four federal district courts had ruled on the legality of the law, with each side winning twice. Yesterday, Judge Gladys Kessler tipped the scales and made the right call.