north america. his specific work concerns impacts of climate changes on water resources and other sectors in west europe north america and he also worked on large scale exchange of heat and water between the ocean and the atmosphere. dan is also a director of the california climate change center a center that works to improve and forecast for decision makers in the california region and i'm sure it's information we can take throughout the united states. dan recieved a bachelor of science in meterologist and oceanographer and received in 1971 from university that makes us about the same age dan, but i'm just a broken down lawyer and economists. he received a, ph.d., in ee in san diego. his speech today will focus on climate change and it's challenge to our water supply. please welcome doctor dan cohan. >> thank you susan, well, it's a privilege to be here. i'm really impressed with the gathering that you've all assembled here in and the quality of the discussion. so i know that i don't want to wear out my welcome so i'll try to get through this sort of on time. you know at one time there was a pointer up

west. and so these communities are continual environment for hosting an al qaeda presence. in the balkans, in india and in bangladesh, in the north caucasus in south asia, in north america and europe, and in sub-saharan africa these preachers, ngos, and doses of saudi cash have for decades prepare the ground for al qaeda and its allies. >> you can watch this and other programs online at booktv.org. >> on february 16 of this year, the borders bookstore group declared bankruptcy. joining us now i'm booktv to discuss the impact of this bankruptcy is sarah weinman who is the news editor of publishers marketplace. ms. wyman, how did borders get to the point of declaring bankruptcy? >> well, i think it's been a long time in coming. certainly the last three years particular quarter after quarter, borders has been losing money. they've also gone through a number of management changes, especially at the top. they've gone through something i think like for ceos in the past four years, but this story can also date back to the beginning of the 21st century i suppose, things like putting their website out and they didn't reclaim it until 2008. their strategy was never at the same level as the

west. and so these communities are continual environments for hosting and al qaeda presence. in the balkans, in india and bangladesh, the north caucasus and saw the shot, and north america, europein sub-saharan africa. these creatures, ngos and doses of saudi cash have for decades prepared the ground for al qaeda and its allies. >> you can watch this and other programs online at booktvorg. >> historical tourism is the focus of on the spot. pinpointing the past in washington, d.c.. douglas and politics and are the authors. mr. dixon, what can people learn in this book? >> this is a way of looking at the city in terms of a real city not in terms of a federal enclave. atoka bartenders, we talk about prostitutes, body snatchers, we talk about the real city, but music and swamps and we've been working on this idea for over 20 years now and what we realize is this city is a vibrant place, tremendous life in the civil war, tremendous vitality which is somehow lost in the limestone buildings, they say what a pretty clean place. it wasn't always a pretty clean place. >> and mr. evelyn, what role are the politicians playing on the spot? >> politicians over the years have made the decisio

west. and so these communities are congenial environments for hosting an al-qaeda presence. in the balkans, in india and bangladesh, in the north caucuses in south asia, in north america, in europeand in if saharan africa. these ngos and doses of saudi cash have, for decades, prepared the ground for al-qaeda and its allies. do the salktys realize this? -- saudis realize? of course they do. we must always keep in mind that the only attack saudi leaders disapprove of are those that occur inside the kingdom. a final point to make on the relationship outside the arabian peninsula is that saudi activities abroad relieve al-qaeda of the need to fund, staff and manage a humanitarian, educational health services wing like those that are run by hamas, hezbollah and the muslim brotherhood. and, therefore, bin laden is allowed to focus on spreading his organization and planning military activities. bin laden, al-qaeda and their allies and those they inspire, then, are a third of the persian gulf threats, and they are, i think, the most dangerous to the united states. they are the most dangerous not because they are more powerful than the united united states, r because her supported by all