California physician Dr. Jessica Nutik Zitter is grappling with when to implement her state's new End of Life Option Act — which allows certain terminally ill patients to receive medical assistance to hasten death. Her book is 'Extreme Measures: Finding a Better Path to the End of Life.' Also, we listen back to a 2008 interview with late country musician Glen Campbell. Book critic Maureen Corrigan reviews 'What She Ate.'