University of Mobile (UMobile) sophomore Kathryn Gosselin and 50-plus-year-old Mark linked arms, twirling first one direction then another, dancing in the center of the activity room. Beside them, university students in red “Project Serve” T-shirts worked at tables on crafts with residents of L’Arche, a community of people with and without disabilities that share life together. “You’re a good dancer,”…