Nobody said Kenny Chesney wasn't energetic. Bobbing around on stage Friday night, the 50-year-old's age didn't show as he clapped, screamed and skipped from one side of the stage to the other. While his energy fed into the crowd and his band jammed to some of the biggest hits of the genre, one thing did suffer: the music. A road-weary Chesney, who is coming off of a summer-long tour and marking his millionth Gillette ticket sold this weekend, almost outperformed [...]