I think he’s resentful about his mixed race upbringing by two folks whom neither acted like they really wanted him.
Has there ever been an objective account of what it was like to “grow up Obama”?
If his Ayers ghost written autobio is to be believed, he eventually found himself in the doting care of two white grandparents, yet was darkly fulminating on the inside about racial hatreds that he had never been a personal party to, in a very ethnically mixed region which is not known for inter-racial turmoil. And so we have it. A liberal who in typical liberal fashion deeply cares about molehills and ignores mountains.