Why Trump's wall with Mexico is so popular, and why it won't work
- Written by David Cook Martín, Professor of Sociology and Assistant Vice President of Global Education, Grinnell College
Donald Trump tweeted on Jan. 6 that “any money spent on building the Great Wall (for the sake of speed), will be paid back by Mexico later.”
The Economist reports that 40 countries have built fences since the fall of the Berlin Wall. Thirty of these were built since 9/11; 15 were built in 2015.
The United States already has about 650...
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