It was just about feeding time the other morning at Al Stall Jr.’s barn at Churchill Downs and there was Tom’s d’Etat, in a familiar spot, peering out of his stall, eagerly awaiting brunch. It was the morning after his final work, six days before what will be the final start of his elongated and oft-interrupted career, in the $6 million Breeders’ Cup Classic on Saturday at Keeneland, and the 7-year-old war horse was seemingly as eager as ever to get it on.