The racial wealth gap in the U.S. is massive. We explore the causes, consequences, and potential solutions. Also: another story of discrimination and economic disparity, this one perpetrated by an international sporting authority. The first of a two-part series.

Before she decided to become a poker pro, Maria Konnikova didn’t know how many cards are in a deck. But she did have a Ph.D. in psychology, a brilliant coach, and a burning desire to know whether life is driven more by skill or chance. She found some answers in poker — and in her new book The Biggest Bluff, she’s willing to tell us everything she learned.