A look at why Americans are overweight with Dr. Kelly D. Brownell, Professor of Psychology at the Yale Center for Eating and Weight Disorders. Yale Medical School Professor and Taste Expert—Dr. Linda Bartoshuk, sheds some light on why we choose to eat what we eat—the actual physiology of taste (ice cream anyone?) and how the sense of taste affects our lives. Jane and Michael Stern are back again with 3 of the country's best picks for comfort food guaranteed to warm your soul.