Book: How Martin Luther King Jr. used the pulpit to 'redeem' America's soul
FILE - The Rev. Martin Luther King Jr. speaks about his opposition to the war in Vietnam at Riverside Church on April 4, 1967, in New York. (RNS file photo by John C. Goodwin)
(RNS) — He believed there were transcendent truths that had the power to change hearts and move them away from the political and social policies of segregation.