The Trump administration’s point-of-sale rebate proposal would drastically alter the way rebates are delivered, and pharmacy benefit managers are angling for responsibility to distribute the rebates under the new model. PBMs have signaled they could sue the administration if they don’t like the way the final rebate rule is structured. Pharmacists, on the other hand, want an entity other than PBMs to fill the intermediary role between manufacturers and pharmacies. Currently, PBMs pay pharmacies for drugs, then they get rebates...