The riveting autobiography of iconic American sportscaster Tom DurkinSports have become indelibly linked to the voices that describe the action, from Al Michaels at the Olympics to baseball's Vin Scully and basketball's Marv Albert. In horseracing, perhaps no single voice did as much to reshape, modernize, and improve the soundtrack of the sport as Tom Durkin.In A Life's Calling: The Voice Behind the World's Greatest Horse Races, Tom Durkin, alongs...