Unretirement: Why Does Jack Welch Still Matter?

Nov. 21 (Bloomberg) -- Bloomberg Businessweek Senior Editor Diane Brady discuses the post-retirement activity and public image of former General Electric CEO Jack Welch, from the cover article of the current edition of Bloomberg Businessweek. She speaks on Bloomberg Television's "Bloomberg Surveillance."

Was the DNC Hack Preventable?
34:40 - 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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