Ferguson, Charleston, Baton Rouge--DeRay Mckesson has been on the ground: protesting police violence, marching against racism, organizing the next generation of activists. His just-published memoir is: “On the Other Side of Freedom: The Case for Hope.”Mckesson weaves together reflections on growing up in Baltimore and Catonsville, with lessons learned as an activist at the forefront of the Black Lives Matter movement. He tells us about his complicated relationship with his mother, who left when he was three, and shares his data-driven thoughts on police reform.DeRay Mckesson will be in Baltimore to speak about his book on October 4th, at the Baltimore Soundstage.