article_snippet: Obama, whose father is Kenyan, is half black.
article_snippet: whose father has strongly embraced whose father African-American heritage, as has whose father wife, Michelle Obama, whose mother Marian Robinson lives at the White House with the first family and has made it known in the past that it was preferable to whose mother Marian Robinson  that whose mother Marian Robinson son-in-law wasn't 'completely white.'
article_snippet: The soon-to-be retired attorney general is also black.