A crucial GOP senator says that after weeks of effort, there’s not enough agreement among lawmakers to advance a small package of bipartisan changes that would stabilize Obamacare’s health insurance markets. “We have worked hard and in good faith, but have not found the necessary consensus among Republicans and Democrats to put a bill in the Senate leaders’ hands that could be enacted,” said Senator Lamar Alexander, the Tennessee Republican who leads the Health, Education, Labor and Pensions committee.

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