my name is kathy reilly and a leader in district i'm curious about the tension between an individual decision like what is in your best interest, like i work a lot with education with high schools in the city, and the tension between each parent making an individual choice about what's best for their child, and for us as a city and for having the conversation i work with a group of principals, parents, community members and teachers and we sometimes have come and students, and have a difficult time influencing the government. but our task is to think a little larger sometimes than what's in my best interest and try to think about what's in all of our best interest. also as a grandmother, trying to think what's in my grand children's best interest in. i'm curious how the tension between what's in an individuals best interest is not always what's in the groups best interest. >> it's a really profound question. that would be a whole month of the syllabus. so we do voice to think that the answer. first off, this is one of the places where the environmental kind of planning world i think