Host of Voices From American Medicine, Gary Epstein, talks this week with Wendell Potter, author of Deadly Spin: An Insurance Company Insider Speaks Out on How Corporate PR is Killing Health Care and Deceiving Americans. Mr. Potter made headlines as a former PR executive for the insurance industry turned whistle blower, testifying before Congress about insurance companies' influence over medical decisions and PR tactics to stymie the debate around healthcare reform and the public option.