Tax-favored health accounts, including flexible spending accounts (FSAs) and health savings accounts (HSAs), are an increasingly popular way for employees to pay for some of their out-of-pocket health expenses using pre-tax dollars. Do such accounts improve the incentives for workers to purchase health care more carefully? Do employers providing FSAs...

Mitt Romney's health careproposals, which rely on free markets and federalism, will go a long way to fixing ournation'shealth carewoes.