Martin Luther King Jr. Day, January 21, is celebrated by Americans each year to remember and recognize the life and work of the man. Martin Luther King Jr., however, represents far more than the contributions of a single individual. He is the symbol of a movement that included varied organizations and wide support. Understanding the broadness and diversity of the Civil Rights Movement is an important way of honoring both the man and his cause. Using the classroom as an historical laboratory, students can use primary...