Sen. Elizabeth Warren (D-MA) asked 10 major brand drug makers whether they plan to voluntarily lower prices, and none said yes -- and one said it will hike prices this year. However, HHS Secretary Alex Azar said several companies are trying to lower prices but are being thwarted by supply-chain middlemen, and he called on payers to ask the pharmacy benefit managers they hire whether they have turned down offers for lower list prices and why. On May 30, President...