Since the last installment of this column, the No. 1-ranked contender, First Resort (Uncle Mo), has been declared off the Triple Crown trail because of a hairline fracture, and no fewer than four other top 12 horses were bet down to favoritism but lost points-awarding graded stakes. Even after this past Saturday's trio of preps for the GI Kentucky Derby, trying to figure out a new pecking order remains challenging, like trying to coax clarity out of chaos. 1) CITIZEN BULL (c, Into Mischief--No Joke, by Distorted Humor) O-SF Racing...