In his book "The Color Line", he wrote that the problem of race has been part of America since its creation.

VOA: special.2009.12.27

Brazil now knows it has a race problem, but is wondering how to solve it.

ECONOMIST: Race in Brazil

Everybody says there is this RACE problem.

FORBES: What Happens When High School Sports Fans Are Accused of Racist Insults

In the back of my mind, I knew Alex's race would pose a problem for my family.

CNN: A mixed-race romance, a family rift