The good thing about wars of words is that, in general, they don’t result in anybody getting killed — but that doesn’t mean some remarks aren’t meant to slay. Shadowing the ferocious fighting in eastern Ukraine are rhetorical jabs among world leaders flying in all directions, the latest being a very public rebuke by Kyiv of President Biden’s recent off-the-cuff comments to the effect that President Zelensky “didn’t want to hear” American intelligence that pointed to an impending Russian invasion in February.