It's not surprising that debate over an anti-gay-marriage amendment in Wisconsin turned violent:
Videotape shows a man in a suit pushing one opponent of the amendment and then punching another. The tape shows the man walking out and then returning and throwing ketchup bottles and other objects.
Opposition to same-sex marriage is based on a visceral reaction, characterized by gut emotion rather than reason. Which is why changing minds requires persistent appeals to the heart as well as the head. Either that, or training for fisticuffs.
Meanwhile, in California, Gov. Schwarzenegger faces a political test.