Lead sponsors Sens. Charles Grassley (R-IA) and Patrick Leahy (D-VT) are divided on whether they would still back a bill to support generic drug development if a pro-pharma provision were added to reverse changes Congress made to Medicare Part D payments in the coverage gap. The brand-drug industry has pushed for some of the changes to be rolled back before they go into effect in 2019, as they would put manufacturers on the hook for more drug costs in the...