'ObamaCare" is useful shorthand for the Affordable Care Act not least because the law increasingly means whatever President Obama says it does on any given day. His latest lawless rewrite arrived on Monday as the White House decided to delay the law's employer mandate for another year and in some cases maybe forever.

ObamaCare requires businesses with 50 or more workers to offer health insurance to their workers or pay a penalty, but last summer the Treasury offered a year-long delay until 2015 despite having no statutory...