America's health system isn't going to be changed without a struggle. Reform advocates would be well advised to study past battles the way generals do. In the 1960's Medicare's opponents co-opted the medical community, launched Ronald Reagan's political career, and arguably invented 'viral marketing' ... forty years before blogging and YouTube.

What makes you think it'll be any easier this time around?

The war against Medicare dated back to the 1940's, when Harry...