1st-Aqueduct, $77,600, Msw, 3-26, 3yo/up, 6 1/2f, 1:18.15, ft, 2 1/4 lengths. HARRODSBURG (g, 3, Constitution--Gracer {MSW & GSP, $243,000}, by Exchange Rate), off a sharp work from the gate over at Belmont's training track Mar. 18 (.47, 1/123), vanned over to the 'Big A' for the real thing as the 3-1 third choice on the tote in this spot. Wrestling the lead away, the homebred sped down the backstretch, rounded the far turn in command by posting :45.86 for the first half-mile and extended his lead down the lane...