“Russian strength has shown itself to be so overrated that it gives us an opportunity to rethink what makes a power “great.” Going into the war, Russia’s military capabilities—including a large nuclear stockpile and what was thought to be one of the biggest and most-advanced armed forces in the world—were pointed to as the reason for its strength. What this war might be showing us, however, is that a military is only as strong as the society, economy, and political structure that assembled it. In this case, Russia was nowhere near a great power, but in fact a deeply flawed,...