The goal of originalism has always been purity. Originalists claim that their methods cleanse constitutional interpretation of politics, discretion, and indeterminacy. The key to attaining purity is history. Originalist methods supposedly discern in history a fixed constitutional meaning. Many originalists now claim that the most advanced method-the approach that reveals the purest constitution...

The Patient Protection and Affordable Care Act ignited a political firestorm and raised intriguing new questions of constitutional law. Cutting a path between the liberals and conservatives on the US Supreme Court, Chief Justice John Roberts made small adjustments in established constitutional law to uphold key features of the act. In doing so, he not only upheld the statute but also left the l...