Steve Kornacki: How Democrats missed the ‘mother of all upsets’ in Tennessee

Welcome back. Republicans are breathing a sigh of relief after holding on to a deep red congressional district in Tennessee. Republican Matt Van Eps defeated Democrat Afton Ben in a special election to replace Republican Congressman Mark Green, who resigned earlier this year.Van Eps, though, won by single digits in a district Donald Trump won by 22 points just a year ago. A potential warning sign for Republicans ahead of next year's midterms. But in his victory speech last night, Vaneps not only credited th ...