Tens of millions of Americans take nutritional supplements. New studies allege some pills do not contain what is on the label. Other research indicates consumers may be ingesting too many vitamins. New concerns about dietary supplements.
Guest Host: Steve Roberts
Recently released personal papers of Albert Einstein shed new light on the world’s most famous physicist. A look at the man behind E=MC2.
- Walter Isaacson CEO of the Aspen Institute, former chairman of CNN and managing editor of "Time Magazine," author of "Benjamin Franklin" and "Kissinger," and coauthor of "The Wise Men."
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