Leftists who opposed Obamacare because it was not the British-style National Health Service or the Canadian "single payer" system should take another look. Constitutional conservatives who feared that Obamacare was a blueprint for an incremental roll out of "single payer" have been proven right. California's governor is about to sign legislation to set up that state's Health Benefits Exchange. The HBE is authorized under Obamacare and is supposed to be a place where small business and individuals can access the best insurance plans at the cheapest price—a real exchange where customers can compare benefits and price in a competitive atmosphere....