If you have some free time, you might check out this looooong but very worthwhile profile of McCain in Rolling Stone. John McCain--George W. Bush plus Faustian levels of ambition.
And a friend just passed this along, saying it made his day (when you're obsessed with the campaign news, it helps to have fellow junkies to commiserate with, although I can do without the harranguing over my aversion to watching youtube clips of Sarah Palin). I think we have those tireless Michigan Obama campaign volunteers to thank. Now let's all bus to Indiana!