Three $56,241 divisions of the Pennsylvania Sire Stakes for two-year-old harness racing pacing colts and geldings were the main attraction Sunday (Aug. 27) at Harrah’s Philadelphia. The 5th race first division saw Booming Economy (Captaintreacherous) and driver Tim Tetrick move first-over in the backstretch and collared pacesetter Aintbluenomore (Jeremy Indof), then pulled away from the