![Fast food workers and union members carry signs as they stage a protest outside of a McDonald's restaurant in Oakland, Calif., on Feb. 12, 2018, the 50th anniversary of the historic Memphis Sanitation Strike that was led by Dr. Martin Luther King Jr.](https://ibw21.org/wp-content/uploads/2020/03/martin-luther-king-jr-economic-justice-910x512-1.jpg)
Economic justice was always central to Martin Luther King Jr.’s agenda. But society has moved backward on that issue since his death. By Michael K. Honey, Time — When Memphis sanitation workers went on strike in 1968, Martin Luther King Jr. knew they had a lesson to teach America. “You are reminding the nation,” he told attendees at a March 1968 rally there, “that it is a crime for people to live…