Need To Know: Fri., Nov. 19, 2010: International version

Need To Know: Fri., Nov. 19, 2010: International version

Rick Karr explores the government's contradictory messages on nutrition. The U.S. military collects biometric data from Afghan citizens. Alison Stewart speaks with religious scholar Reza Aslan about the Middle East. Steve Brodner returns with an illustrated review of Sarah Palin's new reality TV show.

PBS | November 20, 2010Watch more videos from PBS

Tags:. .karr. .biometric. .aslan. .reza. .contradictory

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