Hollywood director Michael Bay just freaked out at a Samsung presentation in Las Vegas. The “Transformers” director walked off stage after a teleprompter malfunction left him for a loss for words. Samsung is known for hosting scripted events with big star personalities. Last year, supermodel Kate Upton was among the celebrities pitching Samsung TVs in New York City. These press gatherings are choreographed and the participating stars read their lines. Today, at the Consumer Electronics Show, Bay got flustered and could keep it together, preferring to just walk off stage after ...