"Most advocates of universal health care focus on the opposition of Republicans and insurance companies. But perhaps the most important factor keeping an overhaul off the national agenda is one that few Democrats acknowledge: most of Mr. Gettelfinger's fellow labor leaders don't support a single-payer system either.
The reason comes down to simple self-interest. The United Auto Workers is one of the few private-sector unions that doesn't run its own health plan. Rather, most have created huge companies to administer their workers' plans, giving them a large and often corrupt stake in the current system."