As explicit discrimination has receded in the last two decades, culminating in the elevation of an African-American to the Presidency, a woman to the House Speakership and a black woman to the galactic dominance known as being Oprah Winfrey, those who study the effects of racism and sexism have had to cope with a difficult question: If discrimination is less powerful, why do some groups in society continue to fare worse than others? Has bias merely become better hidden, or are there other forces at work
