Hatewatch
A good watchdog site covering all kinds of cyberhate
The Militia Watchdog
The breadth of information here is astounding! The most complete and up-to-date anti-militia site on the Web, featuring information of the militias; their histories, goals, and tactics, and how they threaten democracy.
The Liberal Constitutionalist
A great site featuring examples of the how the far right is perverting the meaning of the Constitution and violating its tenets. Complete with great right-wing quotes!
The Public Eye
A site with information on fighting the radical right. Includes some scholarly work as well as links to other organizations.
Christian Coalition Watch
Answering the age-old question...is God a Republican?
DonWatch
A site documenting the many sundry misdeeds of Newt Gingrich and big donor Don Jones
Watchdog Organizations
Turn Left's own list of groups keeping an eye on the Right
Institute for 1st Amendment Studies
IFAS is a non-profit educational and research organization focusing solely on the activities of the radical Religious Right
Fight the Right Toolkit
Anti-Libertarian info
Here are resources for debating with net.libertarians
Mothers Against Jesse in Congress
Just what it sounds like
The Skeleton Closet
All the dirt on all the former Republican candidates (and stuff on Clinton, too; this is a "non-partisan" site)
Mega Reagan De-bunking
The above is a site debunking the Reagan Myth, using about 150 statistical
charts to show what really happened in the 80s. It also contains an in-depth
statistical comparison of the United States to other rich (and more liberal)
countries, showing how the U.S. comes in last on almost every important list.
Reagan De-bunking
Getting tired of conservative who see Reagan as the greatest thing to happen to America? Visit this site for a thorough debunking of the Reagan myth. This is different than the site above.
Conservative Infighting
Your ringside seat as the GOP self-destructs.
The Bad Guys
With enemies like these, wouldn't you rather be among friends? 
OKC Bombing Editorial
I wrote this in response to the bombing in Oklahoma City. Here for historic value.