MORELAND HILLS, Ohio – July 16, 2013 – Shawn Casady, 19-years-old, had a great weekend at the Chagrin Valley Hunter Jumper Classic. Casady and Twister won both the $10,000 Welcome Stake and the $30,000 Cleveland Grand Prix during Week 1 of the Classic.   The Cleveland Grand Prix, the highlight of the Chagrin Valley Hunter