"In this...memoir, Yvette Johnson travels to the Mississippi Delta to uncover the true story of her later grandfather, whose extraordinary act of courage changed both their live. "Have to keep that smile, " Booker Wright said in the 1966 NBC documentary Mississippi: A Self-Portrait. At the time, Wright spent his evenings waiting tables for whites at a local restaurant and his mornings running his own business. The ripple effect from his remarks would...