Sunlight shines through the window in Carmen Tardy’s room at Orono Commons nursing home. A collage of family photos hangs on the wall above the bed. The 89-year-old Tardy, dressed impeccably in lavender sweater and scarf, sits in her wheelchair facing two University of Maine students, both young women in their early 20s. “Do you read more UMaine students in class on aging share stories of people living with Alzheimer’s