Marc puts his finger on the real reason for the Obama surge. It's not, I think, simply punishing the GOP for the financial meltdown. It's also the public's judgment of which candidate responded better to the events of the last two weeks. McCain seemed unstable, bombastic, temperamental and at times, hysterical. Obama seemed, well, presidential.

Here's what I think matters more than ideology at this point. The American people have lived through a nerve-wracking few years. So many certainties have collapsed. We had 9/11 and then Abu Ghraib. We had the Iraq fiasco and the Katrina catastrophe. Now we have the structure of capitalism on the brink. Americans do not want a president adding to the drama. They want calm and authority and reason.

And that's why the attempt to paint Obama as a flaming radical is so ill-timed.

Obama just proved that he is a careful, calm guy in a crisis. What the voters saw is at odds with what the GOP is now saying. So in that context, it's the GOP that's damaged outside its core believers. (Obama's immensely difficult job if elected president will be to bring those deeply alienated people back into the national fold.)

In the end, temperament matters. And in a country desperate for assurance and poise at the top, Obama is winning that debate. It's no surprise to those of us who've followed him closely for a while. But for most voters, this is a new and first impression of Obama's character. And it's powerful.

(Photo: Emmanuel Dunand/AFP/Getty.)

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