By Bloodhorse.com TEMECULA, Calif. (July 16, 2012) -- Houston, a high-priced sale yearling who developed into a multiple graded stakes winner, died in April from the infirmities of old age at Ren-Mar Thoroughbreds near Temecula, Calif. The pensioned son of Seattle Slew out of champion Smart Angle (by Quadrangle) was 26. http://www.bloodhorse.com/horse-racing/articles/71291/pensioned-californ...