HAPPENIN’ OTSEGO for SATURDAY, APRIL 13 Baking Contest at Southside Mall CONTEST—2 p.m. “The Southside Market Baking Contest.” Cookie contest sponsored by King Arthur Flour during the Spring Shopping event. Southside Mall, 5006 State Highway 23, Oneonta. (607) 434-3454 or visit https://www.facebook.com/profile.php?id=61552170876619 BLOOD DRIVE—9 a.m. to 2 p.m. Southside Mall, 5006 State Highway 23, Oneonta. RedCrossBlood.org…