Sen. Mitch McConnell and his wife, former Labor Secretary Elaine Chao, at a Republican dinner in Winchester, Ky., last month. Roger Alford/AP hide caption

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Ashley Judd, who has said she's considering a challenge to Senate Minority Leader Mitch McConnell in Kentucky, is now the subject of a Karl Rove-backed attack ad. Matt Sayles/AP hide caption

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Senate Minority Leader Mitch McConnell of Kentucky (left) and Senate Majority Leader Harry Reid of Nevada during their recent interview with CBS News' 60 Minutes. CBSNews.com hide caption

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Sen. Minority Leader Mitch McConnell, R-Ky., checked out the Republican Convention stage in Tampa on Sunday. The backdrop is in honor of Apollo 11 astronaut Neil Armstrong, the first man to walk on the moon, who died over the weekend. Chip Somodevilla/Getty Images hide caption

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