In 1972, Congress launched the nation’s most ambitious experiment in universal health care: virtually anyone diagnosed with kidney failure, regardless of age or income, was granted comprehensive coverage under Medicare for dialysis. Almost 40 years later, the costs of dialysis are the highest in the Western world--$77,000 per patient--as is the mortality rate. ProPublica's Robin Fields joins us to discuss her two-year investigation into the treatment options that dialysis patients face.