ST. LOUIS—Jesús Ferreira scored his second international hat trick, Djordje Mihailovic had two goals and the 13th-ranked United States overwhelmed No. 139 St. Kitts and Nevis 6–0 on Wednesday night, June 28, in the CONCACAF Gold Cup. Mihailovic, Bryan Reynolds and Ferreira scored in a 3:50 span to build a 3–0 lead by the 16th…