he is interviewed by jeffrey goldburg, it's 20 minutes. >> hi, good afternoon.ng to jump right into a conversation about water and luckily we have the water gurue with us, david wagner, wagner and ball. most people, here, know him -- probably know him well so i don't need to introduce very much. why don't we just go right at an issue or subject that you've been dealing with and talking about with the city for many years, now. the way in which the netherlands, amsterdam and netherlands has managed to live with water and the way in which you can contrast that. i was hoping you could spend a minute or two explaining to us what the dutch did right. if new orleans had done over the proceeding decades, if new orleans had done what the dutch had done, would katrina had done what it did? >> that would go to the river if you talk about what the dutch would have done and would have warded off katrina. it would have been a national priority, not a local priority. >> why is it a national priority in the netherlands? >> half of this country is below sea level. as this has de