With two weeks remaining until the $30.5-million Dubai World Cup meeting at Meydan Racecourse, riding assignments for the American raiders are coming into focus. Perhaps the best chance for U.S. victory on the program, champion and recent G2 Riyadh Dirt Sprint hero Straight No Chaser (Speightster) will look for more desert riches in the G1 Dubai Golden Shaheen with his regular rider John Velazquez back in the irons. The veteran reinsman's agent Kiaran McLaughlin also confirmed that Velazquez has the call aboard Il Miracolo (Gun Runner) for trainer Antonio Sano...