Trainer James Cassidy died Wednesday at his home in Monrovia, California after suffering from heart disease. He was 80. Born Aug. 21, 1945 in New York City, Cassidy got his start working with show horses at the age of 12. He would later transition to racehorses and in 1975, Cassidy took out his trainer's license. He then spent more than a decade working as an assistant for such top Eastern-based trainers as Joe Canty, Frank Whitely and Charles Sanborne before striking out on his own. Cassidy's first starter as a...