In a moving and deeply personal address at MIT’s annual celebration of the life and legacy of Martin Luther King Jr., bestselling author and speaker Ijeoma Oluo described her journey toward a life’s work focused on issues of racial equity and justice. She urged the audience to go beyond merely working to remove the most overt manifestations of racial injustice, and toward a full rethinking of social, educational, and work structures that limit the full expression of people’s identity. “We have to remember not only what we are fighting against,…