Because time marches to its own backbeat, many riot grrrls are now riot moms, raising new generations of kids who have to invent their own rebellion. In Moxie—directed by Amy Poehler, who’s also one of the film’s stars—Vivian (Hadley Robinson), a newly minted 11th grader faced with the challenge of writing a college admissions essay, realizes she doesn’t have particularly passionate feelings about anything.