Four years ago on the eve of the GI TVG Pacific Classic, the hunt for the heavy favorite amid the lettered labyrinth of Del Mar's backstretch ended at Barn J. The stall, of course, belonged to Accelerate (Lookin At Lucky), a sleek, shiny copper penny of a colt, who carried weighty expectations that this was the year his trainer, John Sadler, would finally shrug off the voodoo that had cursed his previous attempts at the coveted prize. It was also viewed as a new high altitude for a horse whose...