On Thanksgiving eve, the Obama administration dumped reams of mind-numbing ObamaCare regulations into the Federal Register — including yet more unilateral rewrites of the Affordable Care Act. Dropping the rules as most Americans were busy preparing for the holiday made a mockery (again) of President Obama’s promise to have “the most transparent administration in history.” The stunt has even worked to keep most of the media from reporting on the rules. Yet the changes these regulations make in the health-care law are substantial. For one, the president is redefining what health plans are “adequate” for larger employers (100-plus workers) to...