Bong Joon Ho’s “Okja” makes me wish I was ten years-old again, and I don’t say this with irony. This movie is good entertaining fun, sure, but it would likely be thoroughly enjoyed by someone who’s very young, in spite of several adult-size questions the film raises, in passing. In preparing to offer him the role of Johnny Wilcox (a white, flamboyant version of Brian Fellow from SNL’s “Safari Planet") Bong Joon Ho