I am somewhat bothered by the news channels running around interviewing random black people for their reaction to Obama's apparently clinching the nomination. One station did this in a beauty parlor, where at least one of the employees was miffed that Hilary didn't win. IMHO the contest was more between a man and a woman than between a black and a white. Obama was brought up in the white world, and had all the advantages of it except for the stigma of his mother being a single mom. I doubt that he was razzed about the color of his skin in Hawaii, though he may have been on hoity-toity Mercer island. His color certainly didn't keep him out of good schools and he was not economically disadvantaged.
He did choose to move to a black community, change his religion and join a black church, and concentrate on working in the black community. But I know whites and Asians who have done that, and it didn't make them black. :-)
What Martin Luther King said works both ways -
they will not be judged by the color of their skin but by the content of their character.