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United States Senate Majority Leader Mitch McConnell (Republican of Kentucky), left, meets retired US Marine Corps General James N. "Mad Dog" Mattis, US President-elect Donald J. Trump's selection to be US Secretary of Defense, right, in his office in the US Capitol in Washington, DC on Wednesday, December 7, 2016.<br />
Credit: Ron Sachs / CNP /MediaPunch
Mitch McConnell and General James N. "Mad Dog" Mattis