Easy. Ban all foreigners from owning real estate, like Mexico, China, NK, Iran, Japan, etc. Even Israel only lets foreigners lease land.
Blah blah blah. Iran could call Kim and have them + crew in a week, or delivered for the right price. This clown is dumber than Colin Powell.
Public education was doomed when they took away civics, replaced history with lies, eliminated objective grading and added LifeLog. Everything Carnegie built Rockefellers captured and Bill Gates destroyed.