 This is the Kentucky News Network. Senate Republican leader Mitch McConnell was greeted with loud boos during the Republican National Convention in Milwaukee. The RNC crowd booed McConnell as he spoke for his state of Kentucky during the state roll call to make Trump's nomination official. McConnell and Trump have had a long-running feud, and McConnell is set to step down as the party's leader in the Senate at the end of the year.