Keisha Blain, University of Pittsburgh historian and president of the African American Intellectual History Society and the co-editor with Ibram X. Kendi of the forthcoming Four Hundred Souls: A Community History of African America, 1619-2019 (One World, 2021), looks at the extent of disparities in wealth and income, health, political power and more, and the policies of both parties that have been most responsible for perpetuating those disparities.