Is McCain suffering from Alzheimers?

The only explanation I can think of for this is that McCain somehow confused Spanish prime minister Jose Zapatero with Emiliano Zapata, the Mexican revolutionary.  Since Zapata died in 1919, this is not a very easy mistake to make.

This article available online at:

http://www.theatlantic.com/business/archive/2008/09/is-mccain-suffering-from-alzheimers/4144/