Raise Cain (Violence) worked five furlongs in 1:03.40 Thursday at Keeneland in preparation for an expected run in the GI Kentucky Derby. With regular work rider Isael Garcia aboard for trainer Ben Colebrook, Raise Cain produced fractions of :13.60, :26.80, :38.60, :51.40, 1:03.40 and galloped out 6 furlongs in 1:15.80. "Nice and easy... finished well and galloped out well. Just what you're looking for," said Colebrook. "He started out slow and then finished well." Colebrook, who will be saddling his first Kentucky Derby starter, plans to work Raise Cain next...