It's interesting, isn't it, that both are doing particularly well in states that, in the general election, mainly go to the other party. But Obama has more traditional Democratic states as well. He has the base and he has the reach. McCain only seems to have the reach. But I'm glad that front-runners in both parties seem to be appealing across party lines. That's a good thing. We need more of it.

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