Andy Beshear wrote in a Monday letter to Republican U.S. Sen. Mitch McConnell and his staff that the senator should “provide proof of your capacity to serve, or resign.” Americans’ voting rights are being eliminated by the Supreme Court and threatened by congressional action,” Beshear wrote. Beshear called on McConnell to “directly and verbally address the people of Kentucky and provide proof of your capacity to serve or resign.” Kentucky Lantern maintains editorial independence. Follow Kentucky Lantern on Facebook and Twitter.