Every year at least 98,000 Americans are killed - and countless more are injured - as a result of medical errors.

Every year at least 98,000 Americans are killed - and countless more are injured - as a result of medical errors. Sorrel King, whose 18-month-old daughter died at one of the most respected hospitals in the world, Johns Hopkins, has gone from grieving mother to engaged activist, partnering with Johns Hopkins to make safety a top priority at the institution. Now she has joined forces with Dr. Donald Berwick, a nationally recognized patient safety advocate, to save lives in American hospitals.