Buffett's Bank Guarantee: Surveillance (1/10)

Jan. 10 (Bloomberg) -- On today's "Bloomberg Surveillance," the focus is on Warren Buffett's bank guarantee, the billionaire battle over Herbalife and Chuck Hagel's challenges as Defense Secretary.

Was the DNC Hack Preventable?
57:57 - Eric O'Neill, Carbon Black's national security strategist, discusses how to respond to government hacks with Bloomberg's Emily Chang on "Bloomberg West." (Source: Bloomberg)
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