One of the sites I frequent is Ain’t It Cool, where I get my daily dose of behind the scenes Hollywood news from a bunch of fine movie and tv fanatics like moi. In this post, Ain’t It Cool columnist Quint presents a YouTube video that’s kind of . . . cool. It’s just another layer of magic and wonder about the best attraction at Disneyland. And if this really does show a ghost leaving the Haunted Mansion, then that means there really is . . .