The latest Bluegrass Poll in Kentucky’s U.S. Senate race gives Democratic challenger Alison Lundergan Grimes a two-point lead over incumbent Republican Mitch McConnell.The survey of likely voters has Grimes with 46 percent support and McConnell getting 44 percent. Libertarian candidate David Patterson has three percent, with seven percent of voters undecided. The margin of error is plus or minus four points.It’s a six-point swing for the Grimes campaign. The previous Bluegrass Poll in late August had McConnell with a four-point lead.The poll was conducted last week by Survey USA for The Courier-Journal, the Lexington Herald-Leader and TV stations WHAS and WKYT. You can see more details from the pollhere.The general election is Nov. 4.