SIOUX CITY, Iowa — The Briar Cliff Review literary magazine has nominated six of its recent published entries for a prestigious Pushcart Prize. The nominations include two works of fiction, “Thirty and Out” by S.J. MacLean and “Acqua Alta” by Kate Bullard Adams; a nonfiction essay titled “On Kindness” by Laura S. Distelheim; and three works of poetry — “Midwinter, My Mother” by Laura Apol, “Twilight” by Christopher Todd Anderson and “We Didn’t Have Air Conditioning” by Nancy