Anchored by Jake Tapper, The Lead airs at 4 p.m. ET on CNN.
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Louisville, Kentucky (CNN) – On the eve of primary day here, McConnell appears confident he has crushed his challenger from the right, Matt Bevin. But it remains to be seen how much of a toll the manpower and money he has spent against Bevin will take - whether it will weaken him in what is expected to be the toughest campaign against a Democratic challenger in the three decades he has been in office.