Obama Campaigns at Ohio State University

Oct. 9 (Bloomberg) -- President Barack Obama talks about the need for Ohio voters to meet tonight's deadline to register to vote. Obama addresses a campaign rally at Ohio State University in Columbus. (Source: Bloomberg)

Was the DNC Hack Preventable?
56:09 - 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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