ELMONT, NY - A pair of stakes races, led by the featured GII Wonder Again S. for 3-year-old fillies on grass, will raise the curtain on the three-day Belmont Stakes Racing Festival Thursday afternoon. Repole Stable's Spansive (Karakontie {Jpn}) will put her perfect two-for-two record on the line for Todd Pletcher while making her stakes debut in the eight-deep Wonder Again. Trainer Chad Brown will have three chances for his fifth Wonder Again win. He will saddle 5-2 morning-line favorite Revalita (Fr) (Recoletos {Fr}), a rallying second in the GII...