Ukraine is in a national struggle that will determine its geopolitical future: the country will either be a firm member of the Euro-Atlantic community or become a Russian colony. The outcome of this struggle will have long-term implications for America’s global interests, the future of the transatlantic community, and the notion of national sovereignty in the twenty-first century.Russia is a top geopolitical adversary for the United States. For Americans who believe in strong and secure national borders, the primacy of national sovereignty, and the right to self-defense, support for Ukraine in the face of Russian aggression is natural. Considering America’s...