Ed Mackie, a much respected and admired presence in Florida racing for 50 years, died suddenly Wednesday evening. He was 75. Mackie was Gulfstream's director of mutuels since 2002, but before that had served in similar roles at Hialeah Park and Biscayne Dog Track. Mackie was also director of mutuels at Calder Race Course, Tropical Park and Gulfstream Park West since 2003. Before working in pari-mutuels, Mackie was a champion amateur jai alai player. Mackie was admired by those he worked with as well as horsemen for his knowledge, his...