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Former Secretary of State and Democratic presidential candidate Hillary Clinton answers a question after speaking about Iran at the Brookings Institute September 9, 2015 in Washington, DC.
Former Secretary of State and Democratic presidential candidate Hillary Clinton answers a question after speaking about Iran at the Brookings Institute September 9, 2015 in Washington, DC.

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    Hillary Clinton formally apologizes for email controversy

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Hillary Clinton formally apologizes for email controversy

Presidential candidate Hillary Clinton has formally apologized for the controversy concerning her emails while Secretary of State. CNN's Brianna Keilar reports.

Hillary Clinton formally apologizes for email controversy

Presidential candidate Hillary Clinton has formally apologized for the controversy concerning her emails while Secretary of State. CNN's Brianna Keilar reports.