Asked how the Obama campaign will respond to McCain's call for a delay in the debate, an Obama adviser emails: "We're inclined to do the debate."

Obama will make a public statement on this shortly -- it'll be interesting to see if Obama calls on McCain to do the debate on other terms. For instance, he could invite McCain to make the debate about the economy, rather than about national security.

After all, the venue is in place, and it's hard to see how efforts to solve the crisis would be hampered by a high-profile discussion of that same crisis between the two men who each want us to make them chief stewards of the economy.

Separately, the McCain campaign confirms to me that they will in fact be taking down his ads.