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Hassan Rouhani, a moderate Iranian presidential candidate and former top nuclear negotiator, waves as he attends his campaign rally in downtown Tehran on June 8, 2013.
Hassan Rouhani, a moderate Iranian presidential candidate and former top nuclear negotiator, waves as he attends his campaign rally in downtown Tehran on June 8, 2013.

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    Iran: We want 'constructive engagement'

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Iran: We want 'constructive engagement'

Iran's president Hassan Rouhani says he wants to "engage in constructive engagement." Jim Sciutto reports.

Iran: We want 'constructive engagement'

Iran's president Hassan Rouhani says he wants to "engage in constructive engagement." Jim Sciutto reports.