I often picture it literally—three white men seated in a room, signing a contract: Walter Reuther of the United Automobile Workers; Charles Wilson, the General Motors chief executive; and President Dwight Eisenhower. Their handshakes seal the deal for a broad, white middle class. Then, in the mid-sixties, there’s a commotion at the door. Women and people of color are demanding a seat at the table, ready to join the contract for shared prosperity. But no longer able to see themselves reflected in the other signatories, the leaders of government