Though he was the clear class of the seven horses signed on for Saturday's GII Pan American S. at Gulfstream Park, Otter Bend Stables' Gufo (Declaration of War) had a November layoff and some off form at the tail end of last season to overcome. But in the end, there was very little to worry about, as the fans on hand for the Curlin Florida Derby were treated to perhaps the most polished performance in the already-productive career of the 5-year-old, who took the 12-furlong test with a fair bit...