Lynn Margulis, Stephen Buhner and John Seed speak to a crowd at Amherst College in 2005.
44:48 min
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Maria Shriver sits down with author and friend Martha Beck for an Architects of Change LIVE conversation.
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If you're feeling angry about the daily barrage of negative news in our disconnected culture, author and activist Sister Joan Chittister says we all have to ask ourselves: "What are we going to do about it?" Here, Oprah reveals why Sister Joan's advice was a wake-up call for her.