Widespread reporting on aspects of white supremacy -- from police brutality to the mass incarceration of Black Americans -- has put a media spotlight on racism in our society. Still, it is a difficult subject to talk about. How do you tell your roommate her jokes are racist? Why did your sister-in-law take umbrage when you asked to touch her hair -- and how do you make it right? How do you explain white privilege to your white, privileged friend?