A group of Democratic senators and Sen. Bernie Sanders (I-VT) asks the Pharmaceutical Research and Manufacturers of America in a Sept. 15 letter what it is doing to stop what they allege are likely illegal moves by drug makers to limit 340B discounts obtained through contract pharmacies as well as requests for claims data from those pharmacies, coming as Sen. Joe Manchin (D-WV) hikes pressure on HHS Secretary Alex Azar to step in with his own Sept. 15 letter. PhRMA...