Humor
About.com, Political Humor - http://politicalhumor.about.com/
The go-to source for political humor and political cartoons, updated daily with jokes, cartoons, satire, videos, and funny news.
Humor Etc - http://www.humoretc.com/
Specializes in humorous stories and jokes sorted by topic. Also features odd news items, daily cartoons, funny pics, videos and more.
The ApeSheet - http://www.theapesheet.com/
A poorly organized humor site with an admittedly poor attitude designed to make you laugh out loud, chuckle quietly, or at the very least, smirk a little.