If so, McCain has a funny way of showing it. All we've seen and heard from him for the last month is a string of personal attacks, culminating in yesterday's ad smearing Obama as "the biggest celebrity in the world." He's just another famous, pretty face, in other words, and not ready for the presidency.

True? No. Childish? Yes. But that's not all. This ad is also deliberately and deceptively racist.

Of...