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Need To Know | Fri., August 5, 2011 | PBS

Duration: 53:53 (Full Program)
Program: Need to Know #165
Broadcast Date: Aug. 5, 2011

Need to Know explores the story of Stuxnet, a computer virus that may launch a 21st century global arms race. Also: We examine three clinical trials for breast cancer treatment, and discuss Texas Gov. Rick Perry's presidential ambitions.

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Post Date: August 5, 2011