The present article summarizes arguments in Victor Davis Hanson’s new book “The Dying Citizen” that appears this week from Basic Books. Only a little more than half of the current world’s 7 billion people are citizens of fully consensual governments. That lucky 50 percent alone enjoys constitutionally protected freedoms. Most are also Western. Or at least they reside in nations that have become “Westernized.” Migrants, regardless of their race, religion, or gender, almost always head for a Western nation. And most often their destination remains the United States. The more it is now fashionable for Americans to take for granted or even to ridicule the idea of their own country, the more the non-American global poor risk their lives to crash America’s borders. Constitutional systems easily perish because they ask a lot of their citizens—to vote, to be informed about civic and political issues, and to hold elected officials accountable. …