The President believes in the Westphalian system of national sovereignty. The wall isn't important qua the wall. It's because it's an expression of our sovereignty controlling who comes into our country. If you don't control who comes into a country, you are not a sovereign nation. When it comes to counterterrorism, we look at the FTO designations of the 11 cartels and gangs. Imagine if Mexico functioned as a fully Westphalian nation state that exercised sovereignty in all of its departments and counties. (09:21–09:25)
CLAIM
Asserts that controlling immigration is essential for national sovereignty.
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