We'll view "Being Mortal," a PBS Frontline film, featuring Dr. Atul Gawande, physician and writer, as he presents several families grappling with serious illness and end-of-life choices.  Like Dr. Gawande's best-selling book, on which the film is based, "Being Mortal" explores the relationships between doctors and patients nearing the end of life, and shows how many doctors, including Dr. Gawande himself, struggle to talk honestly and openly. Afterwards, our panelists will discuss topics raised by the film and address ways…