Rachael Maddow, Student Exchange in Country, Ghana Chocolate Issues

Hosted by Jane Pauley. In our cover story, Lee Cowan talks with high school students participating in an exchange program between red and blue states. Also: Rita Braver sits down with Rachel Maddow, whose latest book, "Prequel," examines the fascist movement in America before and during World War II; Kelefa Sanneh delves into a new memoir by Sly Stone, of Sly and the Family Stone; Faith Salie takes measure of the history of skirts; Seth Doane examines the bitter reality behind the world's chocolate industry.

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