By Larry Fine KANSAS CITY Missouri - The Kansas City Royals rediscovered their post-season magic in a 7-2 victory on Wednesday that leveled the World Series and signaled they were not overmatched by the experienced San Francisco Giants. Billy Butler snapped a 2-2 tie with a run-scoring single in the sixth inning and the Royals added four more before the frame was over to break open a tight game and restore joy to their home fans in Kauffman Stadium. "We needed to get something going," Butler told reporters after finishing with two hits and two RBIs. ...