HAPPENIN’ OTSEGO for SUNDAY, AUG. 27 Poetry & Fiction At The Windfall Barn OPEN MIC POETRY – 3 p.m. The Barn welcomes those of you who would like to share your poetry with others on a summer afternoon at the Windfall Dutch Barn, 2009 Clinton Rd., Cherry Valley. www.windfalldutchbarn.com/events.html ENGINE SHOW – 10 a.m.-4 p.m. Engine enthusiasts from across the state join together to display their prized antique crank engines from the 1900s. Fly Creek Cider Mill, 288 Goose St., Fly Creek.…