Susie Meister interviews documentary filmmaker, Greta McAnany. Her new film, Bite Size, follows four young people who are struggling with obesity. The film highlights the problems of weight and food in America, particularly among children. Bite Size looks at the challenges of kids who want to be healthy and lose weight, but have the cards stacked against them at home, school, and with friends. She discusses some of the profound moments during filming, and how making this film has affected her life and work.