ObamaCare's implementers continue to roam the battlefield and shoot their own wounded, and the latest casualty is the core of the Affordable Care Act—the individual mandate. To wit, last week the Administration quietly excused millions of people from the requirement to purchase health insurance or else pay a tax penalty.

This latest political reconstruction has received zero media notice, and the Health and Human Services Department didn't think the details were worth discussing in a conference call, press materials or fact...