On today's episode of "In Stride," Sinead talks to David O'Connor about horsemanship in competition.David is one of the most accomplished event riders in history. David: • Represented the US at two Olympic Games, winning a team silver in 1996 and an individual gold and team bronze in 2000• Won individual silver and team gold at the 1999 Pan Am games• Won team gold at the 2002 World Equestrian Games• Was President of United States Equestrian Federation (USEF) from 2004-2012• Inducted to the United States Eventing Association (USEA) Hall of Fame in 2009; two of his horses are also in the hall of fame