A few notes about the trailer for "Eighth Grade." -The "plot" of this preview is slightly deceptive. It presents one of Kayla's YouTube clips as a kind of triumphant reflection on experience--something hard-earned. But that's not what the YouTube clips are. They are delusional statements; they are Kayla play-acting. She hasn't earned the authority she attempts to convey in those clips, which is why they seem (endearingly) hollow and vague. Even though they are failures, we're also meant to love them, because they're the sign of a character fighting to "break the mold," to do something unusual (and even artistic). They are also maybe a self-portrait by Bo Burnham; Burnham himself made YouTube clips when he was in school, and he was even told by one dick-ish Catholic-school official that he ought to stop. ("Stop pursuing my dream? Will do!") -One of many things I love about "Eighth Grade" is that it identifies an u...