"Heather C. McGhee's specialty is the American economy--and the mystery of why it so often fails the American public. As she dug into subject after subject, from the financial crisis to declining wages to collapsing public infrastructure, she found a common problem at the bottom of them all: racism--but not just in the obvious ways that hurt people of color. Racism has costs for white people, too. It's the common denominator in our most vexing public...