By ADRIAN GROPPER and DEBORAH C. PEEL Adrian Gropper Deborah C. Peele Among other rich nations, US healthcare stands out as both exceptionally privatized and exceptionally expensive. And taken overall, we have the worst health outcomes among the Western Democracies. On one hand, regulators are reluctant to limit private corporate action lest we reduce innovation and patient choice and promote moral hazards. On the other hand, a privatized marketplace for services requires transparency of costs and quality and a minimum of…