J Kirk and Judy Robison's Jackie's Warrior (Maclean's Music), breathtaking winner of the Aug. 7 GII Saratoga Special S., added another superlative to his resume with a jaw-dropping victory in the GI Runhappy Hopeful S. at Saratoga Monday. Sent off at 9-5, the bay colt was away sharply and almost immediately had a two-length advantage on the field through an opening quarter in :22.56. Pepetu (Dialed In) and even-money favorite Reinvestment Risk (Upstart) were his closest pursuers, but as that duo tried to inch closer, Jackie's Warrior spurted further clear,...