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    Sen. McConnell defends GOP letter to Iran

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Sen. McConnell defends GOP letter to Iran

Senate Majority Leader Mitch McConnell says Senate Republicans' letter to Iran was "highly appropriate" and signing it was not a mistake.

Sen. McConnell defends GOP letter to Iran

Senate Majority Leader Mitch McConnell says Senate Republicans' letter to Iran was "highly appropriate" and signing it was not a mistake.