The commercial travails of turf stallions in Kentucky have become notorious. But there are a couple of aligning trends that give Up to the Mark every right to make a breakthrough when he starts his new career at Lane's End in 2024. For one thing, there appears to be a growing consensus that opportunities for grass horses will only increase over the years ahead—even as those coming round to that opinion find their options much reduced by the loss of Kitten's Joy and English Channel. At the same time, Up...