America's Got Talent fans have some thoughts about judges , Sofía Vergara, Simon Cowell, and Howie Mandel's decisionsafter Tuesday night's episode.Unlike in years past when the judge cuts round of the NBC competition was spread out over multiple episodes, this year the panelists only had one episode to trim down the list of season 15 contestants (in other words, not an easy job). Now, only a handful remain for the live shows, which begin on August 4.