Mary Shepardson, who spent more than 25 years at the Director of Publications at the Del Mar Thoroughbred Club, died last week at age 77 of natural causes. A native of California, Shepardson retired from Del Mar several years ago to pursue her other passion as a member of the city of Poway's Historical and Memorial Society. She was the organization's president at the time of her passing and also served as the city's mayor in the early 1980s. "She was Marketing & Media's do everything and do-it-all for several...