The latest CN2 poll shows Republican Senate candidate Rand Paul still leading Democrat Jack Conway, but by a slightly smaller margin than before.

Paul received support from 43.4% of respondents compared to 39.5% for Conway with 16.6% still undecided. The poll of 826 likely voters was conducted by live interviewers by Braun Research Inc. between Oct. 4 and 6 and has a margin of error of 3.5 points.

A previous CN2 poll gave Paul a five-point lead over Conway.