Leading progressive senators are demanding an explanation from the insurance giant Aetna about its abrupt decision to pull out of most ObamaCare exchanges this year, which they said appeared to be politically motivated.
Sens. Elizabeth Warren (D-Mass.) and Bernie Sanders (I-Vt.) announced Thursday they are launching a probe into Aetna, which bailed on ObamaCare just weeks after the Justice Department moved to block its multi-billion merger with another top-five insurer.
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