Rand Paul is out to a 12-point lead in the Kentucky Senate Republican Primary, a new Kentucky Poll finds. Paul leads establishment-backed Secretary of State Trey Grayson, who just received an endorsement from Senate Minority Leader Mitch McConnell of Kentucky.

Meanwhile, Paul just got the backing of South Carolina Sen. Jim DeMint, who has been endorsing Senate candidates across the country that don't have the backing of the national party.

Paul 44
Grayson 32
Stephenson 3
Martin 3
Scribner 1
Und 17

In the Dem race, Lt. Gov. Daniel Mongiardo holds a 7-point lead over Attorney General Jack Conway. Combining to take 12% of the vote are Darlene Price, Jack Buckmaster and Maurice Sweeney.

Mongiardo 39
Conway 32
Price 6
Buckmaster 4
Sweeney 2
Und 17

The primaries will be held May 18. Click here for more polling in the Dem and GOP primaries in Kentucky. RCP currently rates the open Kentucky seat race as Likely GOP.

The survey was conducted by Research 2000, May 2-4 of 600 LV with a MoE of +/- 4%.

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