Reaction to this week's political shocks, why many conservatives are choosing to double down on Trump critics, and then, a conversation on the growing dis-union in America.
Doctors and researchers discuss the benefits and risks of vitamin D and why some Americans may not be getting enough of it.
- Paul Coates Director, Office of Dietary Supplements, National Institutes of Health
- Joan McGowan Director, Musculoskeletal Diseases Branch and the Bone Diseases Program at the National Institute of Arthritis and Musculoskeletal and Skin Diseases.
- Joan Lappe Professor of nursing and medicine at the Creighton University School of Medicine and investigator with Creighton's Osteoporosis Research Center.
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American University history professor Allan Lichtman describes how and why President Donald Trump could be impeached, and then, Pulitzer Prize winning writer Elizabeth Strout on her new book, "Anything is Possible".