Medicare beneficiary advocates worry Medicare Advantage plans could use non-health care benefits to market policies, and they worry that CMS has already decided to loosen plan-uniformity standards for benefits and cost sharing. CMS proposed Feb. 1 to reinterpret the law to let Medicare Advantage plans offer supplemental benefits that help beneficiaries with daily activities, then Congress followed suit and changed that law to explicitly let them provide those benefits. CMS proposed to let plans offer supplemental benefits starting next year...