The Patient Protection and Affordable Care Act of 2010, or ObamaCare, includes a “requirement” that Americans “shall . . . ensure” that they and their dependents have “minimum essential coverage” for medical care. Seven years ago, Chief Justice John Roberts provided the decisive vote to uphold this requirement, the individual mandate, after counterintuitively concluding that it was neither a requirement nor a mandate but was instead merely a condition for avoiding a tax that the law describes as a “penalty.”