"Show me just what Mohammed brought that was new, and there you will find things only evil and inhuman, such as his command to spread by the sword the faith he preached." -Manuel II Paleologus
Humor should take no sides. These days, all comedians seem interested in making sure the audience knows they hate Bush, and their jokes at the libs are of the "but I love him/her, anyway, and am just laughing at their foibles, which make them loveable" variety.