Scott Hargrove enjoyed a perfect day in Round 3 of the Cooper Tires USF2000 Championship Powered by Mazda on the challenging 1.8-mile, 14-turn street circuit in downtown St. Petersburg.The 18-year-old from Vancouver, B.C., Canada, qualified his No. 38 Analytic Systems/Race Energy/Metal Action/Skip Barber Racing/Bell Racing Van Diemen-Mazda, fielded by locally...