Some useful links that I originally posted vkontakte:
http://www.cosmopolitikos.com/ - they promise to provide you with the most important tools to understand issues of World Politics
http://www.justwartheory.com/ - a lot about war
http://www.americanrhetoric.com/ - speeches of US Presidents and some other prominent figures.
http://www.ursibnn.ru/ - academic network on nuclear non-proliferation that unites scholars of several Ural and Siberian universitites