FILE - In this June 5, 2008 file photo, Patrice Wolfson, left, and Steve Cauthen speak about the legacy of thoroughbred racehorse Affirmed at the Kentucky Horse Park near Lexington, Ky. California Chrome has galloped two miles at Belmont Park, with the Kentucky Derby and Preakness winner preparing for the final leg of the Triple Crown. No horse has swept the Derby, Preakness and Belmont since Affirmed in 1978. (AP Photo/James Crisp, File)