Jim Henley thinks the anti-illegal immigrant stance is more durable and powerful than others think. He predicts the final four in the GOP race: Giuliani, Huckabee, Paul and Tancredo. I'm not so sure. But Giuliani-Huckabee would be a strong, unifying GOP ticket.

We want to hear what you think about this article. Submit a letter to the editor or write to letters@theatlantic.com.