Political Hotwire Forums
Political debate and discussion of US and world politics, education, religion, news and the current events shaping today's world.
http://www.politicalhotwire.com/

Religion, Sex, Politics
Religion, Sex and Politics - you might not be able to discuss them at the dinner table, but you can at ReligionSexPolitics.com!
http://www.religionsexpolitics.com

Controversial issues
Loadedissues.com is an article directory of controversial issues and current events.
http://www.loadedissues.com