Regarding Sen. Marco Rubio’s “Trump is Right about Nationalism” (op-ed, Nov. 14): French President Emmanuel Macron’s comments on nationalism and the objections of Sen. Rubio and others to them both implicitly accept the logical fallacy that “our interests first implies “who cares about the others.” Mr. Rubio makes the point that nationalism as a vehicle for the promotion and preservation of common values is a critical foundation for the effective pursuit of our common interest. What Messrs. Macron and Rubio both miss is the fact that our common interest isn’t always a trade-off with the interests of other nations. “Enlightened”...