Chip Davis, the head of the generic drug trade association, cautions that if the business climate for generics does not improve, companies will consolidate or discontinue product lines -- potentially driving up prices and causing shortages. He points to a recent merger and factory closure as evidence that the group’s members are already considering these last-ditch options. Davis blames policies long-cited as problems by the trade group, including purchaser consolidation, drug pricing laws that apply to generics and tactics used...