Sen. Elizabeth Warren (D-MA), a contender for the 2020 Democratic presidential nomination, is calling on former FDA Commissioner Scott Gottlieb to step down from his recently announced board of directors position with the pharmaceutical giant Pfizer. Warren wrote to Gottlieb Monday (July 1) praising him for his work as head of the agency but rebuking him for linking himself to a company that “has billions of dollars at stake” in decisions made by FDA and by employees Gottlieb used to...