The history of these operations shows why a no-fly zone would be so risky in Ukraine.In the first weeks of war, Western military aid and fierce Ukrainian resistance have made the conflict a somewhat fairer fight. Russia has captured just one city, and Ukrainian forces have slowed Russia’s military advance to a crawl. But as the civilian toll rises and the Russian military steps up its targeting of Ukraine’s urban centers, there are calls for Ukraine’s allies to do more. And one idea is getting most of the attention.Ukraine’s leaders want NATO to impose a no-fly zone over their country,...…The history of these operations shows why a no-fly zone would be so risky in Ukraine.In the first weeks of war, Western military aid and fierce Ukrainian resistance have made the conflict a somewhat fairer fight. Russia has captured just one city, and Ukrainian forces have slowed Russia’s military advance to a crawl. But as the civilian toll rises and the Russian military steps up its targeting of Ukraine’s urban centers, there are calls for Ukraine’s allies to do more. And one idea is getting most of the attention.Ukraine’s leaders want NATO to impose a no-fly zone over their country,...WW…