The turn to dignity: Tommie Shelby and Brandon M. Terry (eds), To Shape a New World: Essays on the Political Philosophy of Martin Luther King, Jr. Cambridge, MA and London: Belknap Press of Harvard University Press 2018, 2020 pbk. x+454pp. Notes. Bibl. Ind. £28.95, £15.95 pbk. ISBN: 978-0-67498-075-4, 978-0-67423-783-4 pbk. (26th May 2020) - Livingston, Alexander