China’s Great Wall reminds us that walls are not good or evil. What’s important is who controls who flows through them.
Walls have very much been in the news of late, with President Trump pushing for a “big, beautiful wall” on the border with Mexico to prevent the entry of undocumented immigrants. But not all walls are inherently bad, writes William A. Callahan. Using China’s Great Wall as an example, he argues that we need to understand them as gateways […]