The Roots of Change

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Nobel Peace Prize winner Wangari Maathai explains how planting millions of trees has revitalized Kenya. And a political science professor argues that the red state / blue state divide can be explained by economics. Later on, we’ll find out how one largely forgotten man helped launch Time magazine. Then, a new documentary investigates what happened at Jonestown—the site of the largest mass suicide in modern history. And to start it all off, word maven Patricia T. O’Conner takes your calls.