My thoughts exactly.  He's driving home the fact that he was right and McSame was not.

I thought the op ed column was precise and even sounding but really pointing out the difference between him and the neocons.

Best of all, guess which OTHER New York article now gets reduced to a footnote? In substance, anyway. They'll still show that cover and let everyone be ashamed of the New Yorker. The best part is that there will be no defenders for them this time. The Right hates the New Yorker, and Obama's people will fully thrash it.

Did you read the New Yorker article, or were you just reacting to the stupid cover?  
http://www.newyorker.com/reporting/2008/ 07/21/080721fa_fact_lizza?printable=true

Read about how he has walked away from one constituency after another.  How he purposely got himself out of a district that was largely a black, poor one for a more affluent one:

Like every other Democratic legislator who entered the inner sanctum, Obama began working on his "ideal map." Corrigan remembers two things about the district that he and Obama drew. First, it retained Obama's Hyde Park base--he had managed to beat Rush in Hyde Park--then swooped upward along the lakefront and toward downtown. By the end of the final redistricting process, his new district bore little resemblance to his old one. Rather than jutting far to the west, like a long thin dagger, into a swath of poor black neighborhoods of bungalow homes, Obama's map now shot north, encompassing about half of the Loop, whose southern portion was beginning to be transformed by developers like Tony Rezko, and stretched far up Michigan Avenue and into the Gold Coast, covering much of the city's economic heart, its main retail thoroughfares, and its finest museums, parks, skyscrapers, and lakefront apartment buildings.

There are lots of items in there you should pay heed to, like the statements from mentor and Chicago Alderwoman Toni Preckwinkle:

"I think he saw the positions he held as stepping stones to other things and therefore approached his public life differently than other people might have." [space]  There was also a more general belief that, after Obama won the 2004 United States Senate primary, he ignored his South Side base. Preckwinkle said, "My view is you have to bring your constituency along with you. Granted, you have to make some tough decisions. Granted, sometimes you have to make decisions that people won't understand or like. But it's your obligation to explain yourself and try to do your supporters the courtesy of treating them with respect."

Yeah, he's superior to McCain in general, and McCain on the war, but so is a random person you'd pick off the street.  The US deserves better than Obama, a person with principles that shift like desert sands.