New York Post: The Broadway theater, which has enjoyed success in recent decades with shows built around vintage pop music and film hits, could soon incorporate yet another bit of popular culture into the mix: Saturday-morning cartoons. That is the fear of some traditional Broadway producers as Viacom eyes a musical version of Nickelodeon’s “SpongeBob SquarePants” for the Great White Way. “If we usher in shows like ‘SpongeBob,’ our reputation may suffer.”