Responding to a building wave of opposition to the "public option," the Obama administration is now signaling that it may dress up government health care in yet another set of clothes. This time, it will be called a health insurance "co-op." Sen. Kent Conrad (D., N.D.) is floating the idea, Sen. Max Baucus (D., Mont.) has offered his initial support, and Sen. Chuck Schumer (D., N.Y.) has listed three conditions it needs to meet.

Mr. Schumer's conditions are a national structure, federal financing, and a ban on federal appointees...