A portion of any purse money earned in the May 4 GI Kentucky Derby by Sierra Leone (Gun Runner), winner of the GI Blue Grass S. and expected to be one of the favorites for the American Classic, will benefit the Backside Learning Center (BLC)'s initiative "Purses for a Purpose." In addition, should the 'TDN Rising Star' win the Derby, co-owner Brook Smith has promised an additional $100,000 to the BLC. Smith, who recently joined the TDN Writers' Room, is a Louisville resident and long-time supporter of the BLC, which...