sector kaster, i'm actually going to come back to you to discuss what the federal government could do to of late but first i would like you to talk about your experience as the mayor of san antonio. you pick a number policies to address some of these key challenges that we've race. what works for you as mayor and what can we learn from your experience of? >> thank you, mayor. and thank you to tap into afscme as well. this is a very timely subject. i'm convinced we are living in century of cities and here in the united states america's falling in love again with cities. the census bureau estimates by 2015 we will see 80 million new people in our country and about 60 million of them are going to live in urban areas. in san antonio if i have one piece of advice for local leaders around the country, it would be to break through the silos that often exist at the local level. so one of the things we saw the administration up here doing very early on was an effort called sustainable communities that was hud working with a department of transportation working with epa, and we said, hey what w