Grandparents Raising Grandchildren Retreat - April 3, 9:00 a.m. to 2:30 p.m. at the New Columbia Learning Center, 4605 N. Trenton St, Portland, OR 97203. Sponsored by the Multnomah County Family Caregivers Support Program and Lifespan Respite. Call (503) 988-4790 for more information.