The invasion of Ukraine by Russia, and the ensuing and needless slaughter of thousands of soldiers and civilians, seems all but inevitable now. “So, what do I care?” some of us may be asking ourselves. “It’s not our fight.” I get it. Maybe you don’t follow a lot of news from overseas, or the machinations of global politics. You’re not alone. Most Americans don’t.

It’s been just over a week since the last U.S. troops flew out of the Kabul airport in Afghanistan, ending our 20-year war with the Taliban. It was the longest war in U.S. history — some called it “America’s forgotten war” — but the 24-hour news cycle has already turned its attention to other stories...