NSA Data Collection Not Doing Any Good: Bamford

June 10 (Bloomberg) -- James Bamford, a bestselling author on U.S. intelligence agencies, discusses the need for data collection, but questions just how big the scope and reach needs to be in the fight against terrorism. He speaks on Bloomberg Television's "Bloomberg Surveillance."
Mila Kunis Helps Miner Become Top Emerald Producer
47:18 - Gemfields CEO Ian Harebottle discusses the gemstone business with Bloomberg's Pimm Fox on "Taking Stock." (Source: Bloomberg)
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