Critics say ACA 'risk' strategies are having reverse Robin Hood effect

The Washington Post: In early summer, a small, nonprofit HMO in Birmingham, Ala., got a surprise from the federal government: a bill for $1.7 million.

The charge, which amounted to a startling two-fifths of the premium money that VIVA Health had collected from 1,100 customers, stemmed from an obscure part of the Affordable Care Act designed to support health plans with lots of sick, expensive customers by giving them money from plans with healthier customers.

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