is, according to a source who knows, "Phoenix."

It was McCain's choice. Associations: rising from the ashes. Arizona. Etc.

Cindy McCain has also picked a code name. It probably also begins with a "P".

As has been previously and extensively reported, Barack Obama is "Renegade." His wife Michelle is "Renaissance."

No comment from the McCain campaign.

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