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Ralph talks to world\\u2013renowned doctor Andrew Weil about the pharmaceutical industry and the problem of over-medication, outlined in his book \\u201cMind Over Meds.\\u201d And Princeton professor Robert Tignor tells us about the petition he wrote calling for the denuclearization of the Middle East that was signed by the likes of Ralph, Noam Chomsky and Chris Hedges. Plus, listener questions!