Roy and Gretchen Jackson, who campaigned 2006 Kentucky Derby winner Barbaro, say they are not involved with plans to unveil a statue in New York’s Central Park that memorializes the late classic winner. According to a press release Tuesday from the Leo Kesting Gallery in New York, “The Barbaro Memorial Statue” by controversial sculptor Daniel Edwards will be unveiled April 30, the week leading up to this year’s May 3 Kentucky Derby Presented by Yum! Brands (gr. I). The press release states that the statue, courtesy of the Kesting Gallery, will depict Barbaro “in the winner’s circle, on his back,...