My guess: Obama won’t address it.
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2012 presidential campaign, which begins sometime in Nov.-Dec. 2011: During the 2012 presidential campaign, I think that Obama will be asked over and over again by voters and the press if Ayers helped Obama write his book.
That is, I don't think Obama will get a free pass this second time around, and so Obama won't get away with repeating his story that Ayers was just another person in the neighborhood.
In fact, if I were an experienced investigative reporter, I would confront Obama during the 2012 presidential campaign with this question:
"Obama, how much did you pay Ayers to help you write your book?"
I agree.