There's a lot going on with the little blue pill called Truvada made by Gilead Sciences of Forest City, Calif. Paul Sakuma/AP hide caption

itoggle caption Paul Sakuma/AP

Dr. Donald Berwick testifies Wednesday before the Senate Finance Committee about the implementation of health overhaul. Scott J. Ferrell/Gongressional Quarterly/Getty Images hide caption

itoggle caption Scott J. Ferrell/Gongressional Quarterly/Getty Images