His new ad has some teeth:

To which the McCain campaign responds:



William Ayers, William Ayers, William Ayers. When Obama goes negative he usually goes after state issues; like this new ad playing in Nevada about nuclear waste or this ad about DHL job losses in Ohio. McCain, on the other hand, mostly deploys blanket negative statements: Obama is a celebrity, Obama isn't ready to lead, Obama doesn't care about the troops. One seems to be aiming for the national polls, the other for the electoral college.

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