Border fencing disappears into the foothills of the Jacumba Mountain range at the El Centro 1 project site, near Calexico, California, January 23, 2020. (Photo by Bobby Petty/U.S. Army Corps of ...

To read more of The Economist’s data journalism visit our Graphic detail page. THE CRISIS along America’s southern border is a political liability for Joe Biden. Polling suggests that just 27% of ...