This African-American blogger does not recall that in his high school, black achievers were ridiculed for "acting white." But he knows many other African-Americans who testify that this is indeed a damaging phenomenon and that Barack Obama is right to talk about and tackle it as a cultural burden on young black Americans. Then James Forman Jr notices a possible explanation for the discrepancy between his experience and so many others': he went to an all-black school. Data back this up.