The Senate Finance Committee is discussing making insurers offer at least one Medicare Part D plan with up-front discounts for drugs, sources following the discussions say. No deal has been reached, and Pharmaceutical Research and Manufacturers of America on Thursday (Sep. 5) discussed the proposal, a drug lobbyist said. Sources say a mandatory plan option requirement would allow the Finance Committee to give brand-drug makers a concession without having a large impact on premiums or the broader drug pricing bill’s...