R.D. Hubbard, who honed his work ethic in Kansas wheat fields and at his family's ice house and then parlayed a wealth of hands-on experience into a long run as an internationally acclaimed auto glass entrepreneur, visionary racetrack operator, and an enthusiastic owner and breeder of Quarter Horses and Thoroughbreds, died Wednesday night at his home in Palm Desert, California. He was 84 years old. Hubbard's death was confirmed by his family. Hubbard leaves a legacy rooted in the power of hard work, optimistic tenacity, and a knack for knowing...