Adam Edgar competing on Happy Feet at the 2016 Pony Finals (Shawn McMillen Photography) Numerous youth athletes have competed at the USEF Pony Finals over the years, and many of them have gone on to achieve an impressive list of accomplishments as senior athletes competing at the national and international levels. Georgina Bloomberg, Greg Best, Lillie Keenan, Reed Kessler, Alison Robitaille, and Jessica Springsteen are a few individuals who have represented the U.S. at FEI Jumping World...