The GI Longines Kentucky Oaks will be overshadowed by the GI Kentucky Derby, but maybe that shouldn't be the case. The Oaks is absolutely loaded, perhaps the deepest in many years. In any other year, Secret Oath (Arrogate), Echo Zulu (Gun Runner), Kathleen O. (Upstart) or Adare Manor (Uncle Mo) would be an obvious heavy favorite. This year, a horse like the undefeated Kathleen O. might be third choice in the wagering at, say, 7-2 or 4-1. After a busy Saturday last week, which included Secret Oath's third-place finish against...