NEWMARKET, UK--Oh, to be in England now that April's there. So wrote Robert Browning in 1845, though it is unconfirmed that this had anything to do with Classic trials. An unusually wet and cold April did little to lift the spirits this year, so we shall fast-forward to another line of his lovely poem. And after April, when May follows. May is becoming more marvellous by the day. There's York, of course, and who doesn't love York? It is a racecourse which comes close to perfection, from its location in...