Thursday’s Affordable Care Act ruling marked the second time in three years that a centerpiece of the health law often called Obamacare came under heavy legal assault and survived. It cost Chief Justice John Roberts about 5,700 words (21 pages) to uphold the Affordable Care Act’s health-insurance subsidies on Thursday. He spent three times as many in 2012, when he authored the majority ruling in National Federation of Independent Business v. Sebelius, upholding the law’s individual mandate. But Supreme Court rulings have also become more accessible, when their authors want th...
