The grass gallops are now open on Newmarket's Warren Hill—a sure sign that spring is on the way, and formerly part of the traditional countdown to the start of the Flat season. These days, however, the top-class Flat action barely stops throughout the year which means that before the wraps come off the British turf season at Doncaster on Mar. 28, a number of the town's trainers will already have had some of their leading lights in action around the world. This spring promises to have a more international outlook...