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(CNN) – Control of the U.S. Senate is up for grabs this year – Republicans need six seats, and the races are on.
Radio and TV airwaves are already cluttered with campaign ads in some places. Establishment Republicans are fending off attacks from their tea party rivals. And Democrats in purple states are working feverishly to put a Grand Canyon-sized gap between themselves and President Barack Obama.
In Kentucky, the man from Hope was out on the trail Tuesday. Former President Bill Clinton is rallying support for the Democrat running against Senate Minority Leader Mitch McConnell in one of the hottest races of the midterm season.
"I welcome him back," McConnell said about Clinton in Kentucky. "The last time he ran in 1996 he eked out a narrow victory in Kentucky, while I beat the current governor by 160,000 votes, ten points. In 2008 both Bill and Hillary Clinton came to town including the day before the election and I won by a 100,000 votes. So I welcome President Clinton back to Kentucky. Every time he's come it's been really good for me."
But with tea party challenger Matt Bevin in the race, are things different this time?
CNN political commentator and Democratic strategist Hilary Rosen and CNN political commentator and Republican strategist break it down on CNN's "The Lead with Jake Tapper."