I don't think I've ever read a Stephen Dunn poem before that I really, truly liked (and many of them I really, truly dislike)—but I like this one, from the August 24, 2009, issue of The New Yorker: "If a Clown."
Ordinarily, I don't like poems that overflow with questions like this, but here, the shift to the kid at the end gives the poem the extra propulsion it needs to lift off.