Norquist: 'Cause let's say you take that Coke bottle home, and you get home, and you're two thirds of the way through the Coke bottle. And you look down at what's left in your Coke bottle is a rat head there. You wonder whether you'd buy Coke ever again. You go on TV, and you show 'em the rat head in the Coke bottle. You call your friends, and tell them about it. And Coke's in trouble.
Republicans who vote for a tax increase are rat heads in a Coke bottle. They damage the brand for everyone else.