At the start of the twentieth century, the pre-eminent black sociologist, W.E.B. DuBois, identified the color line as America's great problem. While the color line is increasingly variegated beyond black and white, and more openly discussed than ever before as more racial and ethnic groups call America home, his words still ring true.<br /> <br /> Today, post-racial and colorblind ideals dominate the American narrative, obscuring the reality of racism and discrimination, hiding...