Like me, you probably associate puppet shows with children’s entertainment, not sophisticated Broadway productions. So when I heard that a theatrical version of War Horse featuring horse puppets was coming to the AT&T Performing Arts Center in Dallas on its first national tour, I didn’t know what to expect. I mean, come on, horse puppets?!? On my way in I was intrigued to overhear a man say, “I’ve seen this show four times, and I still forget those horses aren’t real.” After seeing the show, I know exactly what he means. From the opening scenes, in which we are introduced…