HAPPENIN’ OTSEGO for FRIDAY, AUG. 18 Walk Through Art At CANO FABULOUS FRIDAY – 2-9 p.m. Take an Art Walk through the art galleries of Oneonta including the Community Arts Network of Oneonta, the Oneonta History Center, the Artisans Guild, and more. Call (607)432-2941 or visit www.facebook.com/oneontafabulousfridays/ CIVIL WAR REENACTMENT – 4 p.m.-9 p.m. Experience a civil war encampment with the 125th and 61st New York Regiments. Includes Civil War weaponry, tactics, drills, and firing demonstrations. Also a concert and a battle…