With the U.S. health care system needing urgent care, "Frontline" looks to other leading capitalist democracies to see how their health care systems operate and whether those systems might be a model for much-needed reform at home. But are Americans willing to accept taxation or socialized medicine? Will U.S. insurance providers undermine change? Correspondent T.R. Reid examines systems in the U.K., Japan, Switzerland, Germany and Taiwan.