A new Research 2000 poll (600 LVs, 3/15-17, MoE +/- 4%) commissioned by Daily Kos shows Democrats still trailing in the open-seat Kentucky Senate race. In the primaries, Rand Paul (R) continues to lead the establishment favorite, Secretary of State Trey Grayson, while Lt. Gov. Dan Mongiardo (D) looks to have stretched his lead over Attorney General Jack Conway (D).

Primary Election Matchups
Mongiardo 47 (+10 vs. last poll, 8/31-9/2)
Conway 31 (+1)
Und 14 (-4)

Paul 40 (+15)
Grayson 28 (-12)
Und 18 (+1)

General Election Matchups
Grayson 43 (-2) -- Mongiardo 38 (-3) -- Und 19 (+5)
Grayson 44 (-2) -- Conway 36 (-4) -- Und 20 (+6)

Paul 46 (+9) -- Mongiardo 37 (-5) -- Und 17 (-4)
Paul 45 (+8) -- Conway 39 (-2) -- Und 16 (-6)

Each primary subsample was 400 voters with a margin of error of +/- 5%. After the jump, a look at favorable ratings for the candidates and other officials.

Favorable Ratings
Grayson 53 / 24
Paul 55 / 25
Mongiardo 45 / 41
Conway 44 / 40

Gov. Beshear 50 / 45
Sen. McConnell 46 / 49
Sen. Bunning 33 / 56
Pres. Obama 39 / 57

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