Confederate flag supporters climb Stone Mountain to protest of what they believe is an attack on their Southern heritage during a rally at Stone Mountain Park in Stone Mountain, Ga. Aug. 1, 2015. (AP/John Amis)

For Some Reason, Being White Still Matters in America

Since the nation’s founding four centuries ago, racial identity has played a key role in the country’s social, moral and political orders — especially what it means to be “white.”