Delayed several minutes because of the storms sweeping through the area Saturday afternoon, recent GI Saratoga Derby Invitational winner World Beater made it two straight with a victory in the GIII Old Dominion Derby at Colonial Downs. Sent off the hot 2-5 choice for a distance he clearly relishes, the Pin Oak-bred colt entered this contest off a pair of Grade Is at the Spa--a second-place finish in the nine-furlong Belmont Derby on July 4 and a narrow score in the Saratoga Derby over 1 mile and three-sixteenths Aug. 2....