'I can take care of my enemies all right," Warren Harding once said. "But my friends, my damn friends, they're the ones that keep me walking the floor nights!" In the sense that so irked Harding, Judge Gladys Kessler is a great good friend of ObamaCare. The US district-court judge in Washington, DC, delivered a more telling blow against the law in the course of ruling it constitutional than critics have in assailing it as a travesty. At issue is the individual mandate. Two other district-court judges have struck it down on grounds that Congress doesn't have the power under...