Donald Trump and other Republicans Tuesday cast a decision by a major insurer to sharply cut back participation in Affordable Care Act exchanges as evidence that the new system is collapsing and should be replaced.
Democrats continued to defend the law as much better than the old system, but said the news that Aetna Inc. will withdraw from 11 of the 15 states where it currently offers plans could create an opening for changes proposed by Hillary Clinton, such as her proposal for a government-run option to compete with private insurers.
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