There is no denying the ferocity of John Leguizamo’s tragicomic jeremiad, his bravura gifts as a terrific physical performer, or his ability to improvise in “Latin History for Morons.”

If your Latin history is a little rusty, actor and writer John Leguizamo understands – and he’s here to offer an antidote in the form of his latest one-man show, playing in Chicago this week. We get a preview.