"You start to feel like you're waiting for Godot," says Lucy Wadham, referring to the fictional character who never actually appears in Samuel Beckett's play of the same name. It has been a long winter and the days can seem to pass agonisingly slowly when you have a horse aiming for a big-race target, but the sand in the Cheltenham Festival hourglass has now nearly all run through. Wadham has only to wait until Tuesday afternoon to unleash the bonny grey mare who has been at the forefront of the...