"Many of today’s insurgent Black movements call for an end to racial capitalism. They most often take aim at policing and mass incarceration, the racial partitioning of workplaces and residential communities, and the expropriation and underdevelopment of Black populations at home and abroad. Scholars and activists increasingly regard these practices as essential technologies of capital accumulation—evidence that capitalist societies past and present enshrine racial inequality as a matter of course. In Prophet of Discontent, Andrew J. Douglas and Jared A. Loggins invoke contemporary discourse on racial capitalism in a powerful reassessment of Martin Luther King Jr.’s thinking and legacy. Like today’s organizers, King was more than a dream...