Posted in its entirety, from Angua:

Reasonable left-of-centre blogger: Fact. Link. Opinion.
Left-wing nutcase: This proves Bush is Hitler!!!! And he was selected, not elected. Oiillll!!!! Quagmire!!!!!
Right-wing sane person: Another fact. Polite opposing opinion.
Left-wing nutcase: You are an ugly smelly troll. You make no sense. You are connving and evil. All conservatives are dumber than rocks. You shouldn't engage in ad hominem attacks, you baby-killing fat Texan racist!
Left-wing sane persons: ....crickets churping.... tumbleweeds rolling....
Right-wing nutcase: You must want to f*ck Saddam! I love Bush!!! I hate Canadians!!!
Left-wing sane persons: Aren't we so cool and neat and amazing that no one on our side ever acts this nutty and inconsiderate?