The U.S. Olympic eventers and alternates dominated the dressage at the Gatcombe Championship of British Eventing, Aug. 6-8 in Gloucestershire. While the British team horses were already en route to Athens, the U.S. horses contested the dressage and show jumping phases at Gatcombe, taking the top eight places in the first division of advanced, headed by Kim Severson and Winsome Adante. The Olympic eventing begins on Sunday, Aug. 15. The U.S. horses didn