Dr. Donald Berwick, head of Medicare and Medicaid, asked insurers for their help in making overhaul work. Courtesy of Donald Berwick hide caption

itoggle caption Courtesy of Donald Berwick

Even though Dr. Donald Berwick took the reins of Medicare and Medicaid without a confirmation hearing, one senator hasn't stopped asking questions. Courtesy of Donald Berwick hide caption

itoggle caption Courtesy of Donald Berwick

House Speaker Nancy Pelosi (D-CA) signs the Education, Jobs and Medicaid Assistance Act at the U.S. Capitol,  August 10, 2010. Alex Wong/Getty Images North America hide caption

itoggle caption Alex Wong/Getty Images North America