Former National Security Adviser Tom Donilon

Dec. 23 (Bloomberg) -- On "Charlie Rose," a conversation with Tom Donilon. He served as President Obama's National Security Adviser until August of this year. (Source: Bloomberg)

Was the DNC Hack Preventable?
03:14 - 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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