HAPPENIN’ OTSEGO for SUNDAY, APRIL 8 Construction With Cans CANSTRUCTION – 9 a.m. Employees, community members, and SUNY Oneonta students construct structures out of unopened cans of food to be donated to local food pantries. Everyone is invited to watch the construction. Judging will be at 4 p.m. Southside Mall, Oneonta. Call 607-436-2633 or visit www.facebook.com/southsidemall/ INTERFAITH – 9:45 a.m. A Season of Faith and Understanding opens with a presentation by Rev. David Wm. Mickiewicz. St. Mary’s Roman Catholic Church, 39 Walnut…