On April 4, 1968—exactly 45 years ago –Dr. Martin Luther King, Jr. was assassinated in Memphis TN. The preeminent civil rights leader of the 20th century was also a determined anti-war activist and defender of labor rights. He was in Memphis to help in the organizing of sanitation workers in that city. Here is a tribute to Dr. King’s efforts on behalf of working people from an prominent scholar: Article in Huffington Post.