love of country and our task working to the is to constandpointly widen the circle -- constantly wideen it for the future generations. they believe and i believe that we can be better. those who died here, those who saved lives here, they help me believe. we may not be able to stop all evil in the world. but i know that how we treat one another, that's entirely up to us. [ cheers and applause >> and i believe that for all our imperfections we are full of goodness and that the forces that divide us are not as strong as those that unite us. [ cheers and applause ] >> that's what i believe. in part because that's what a child like christi taylor green believed. [ cheers and applause >> imagine, for a moment here was a young girl who was just becoming aware of our democracy, just beginning to understand the obligations of citizenship. just starting to glimpse the fact that some day she too might play a part in shaping her nation's future. she had been elected to her student council. she saw public service as something exciting. and hopeful. she was off to meet her congresswoman, someone she