HHS Secretary Alex Azar and CMS officials are leaning against letting Massachusetts use closed formularies to negotiate cheaper brand drug prices in Medicaid, lobbyists following the MassHealth proposed waiver said. Azar worries drug makers would sue the government and win if CMS were to approve the waiver, a brand drug source said, and others say CMS officials are wary of creating de facto national policy because most other states would follow Massachusetts' lead. Massachusetts is the only state to formally...