speaking last night in tucson, mr. obama called on americans to think about how they treat one another, and he told the crowd, quote, i think we can do better. the president visited with victims and their families, and today, funeral services will be held for the youngest victim. sandra hughes is live in tucson. good morning, sandra. >> reporter: good morning, betty. well, some 27,000 people came together to hear the president last night. now, today begins the painful process here in tucson. funerals for the fallen. friends and family are expected to pack the tucson church today for the funeral of 9-year-old christina green. the youngest victim of saturday's shooting rampage was remembered last night at a public memorial led by president obama. >> she showed an appreciation for life uncommon for a girl her age. >> reporter: in an emotional address before thousands, he called on americans to honor all those killed. >> we may not be able to stop all evil in the world. but i know that...