The pilot CMS is using to artificially lower Medicare Advantage and drug-plan premiums next year will not apply to group MA plans, which means that 4.3 million retired union workers and state and local government employees could be hit with drastically higher premiums if HHS follows through on its proposal to ban drug rebates that aren’t shared at the point of sale. Employers and unions are planning a lobby effort aimed at getting CMS to help so-called employer group waiver...