Blazingbellablu (Grazen) became the sixth 3-year-old distaffer to be named Washington Horse of the Year when she was recognized during the Washington Thoroughbred Champions Annual Awards and dinner held at Emerald Downs racetrack in Auburn Saturday. A homebred for Petra Lewin's Rainbow Meadows Farm and trainer Charlie Essex, the filly won the Kent S. at Emerald Downs last July. Also honored during Saturday's ceremony: 3yo champion Coastal Kid (Coast Guard); 2yo champion Cobra Jet (Curlin to Mischief); 2yo filly champion Koron (Nationhood); champion older horse and champion sprinter Papa's Golden...