Kathryn Finney. In her Pulitzer Prize-winning book on the great American migration, The Warmth of Other Suns, Isabella Wilkerson tells the story of Ida Mae Gladney, who uprooted her life from Mississippi to Chicago, drawn by the idea of economic mobility and safety that the "Promised Land" had to offer. In the early 20th century, Chicago offered opportunities for paying jobs and a growing Black middle class. Though the city was segregated and brutalized by policies redlining Black neighborhoods, it offered relief from the threat of lynching. Even in the face of economic and racial barriers,...