As we approach the anniversary of Russia’s full-scale invasion of Ukraine — and the ferocious Ukrainian response backed by a US-led Western coalition — the following question urgently needs answering: How is it that on Feb. 23, 2022, virtually no one in America was arguing that it was in our core national interest to enter into an indirect war with Russia to stop it from overrunning Ukraine, a country most Americans couldn’t find on a map in 10 tries? And yet now, nearly a year later, polls show solid (though slightly shrinking) American majorities for backing Ukraine with arms and...