In May of 2008, Senator Ted Kennedy had a seizure and was rushed to the hospital. Just a few days later, he was diagnosed with malignant glioma. It's a particularly difficult type of brain cancer to treat. With us to talk more about the condition Kennedy faced is Dr. Eugene Flamm. He heads the department of neurosurgery at Montefiore Medical Center in New York City. We also talk to Dr. Sherwin Nuland, surgeon and professor of bioethics and medicine at Yale University School of Medicine. He is also the author of seveal books including, "How We Die: Reflections on Life's Final Chapter."