Mapping Slavery

Via Edge of the West this map showing the distribution of slaves in the antebellum United States is pretty neat as are the other maps on that page from the University of Chicago. While you're at Edge of the West, check out their historically informed take on Bruce Bartlett's odd thesis that a full and frank airing of the Democratic Party's history on race would reflect poorly on contemporary liberalism.

Matthew Yglesias is a former writer and editor at The Atlantic.