The only realistic answer to Putin
David J. Kramer, John Herbst, and William Taylor write: Russia’s unprovoked invasion of Ukraine last year and, for that matter, its first invasion of its neighbor eight years before are impossible to justify. Russian President Vladimir Putin is trying to convince his public that this war is existential, but with little success. Russia’s existence as a strong, sovereign state is not dependent on its control of Ukraine or even parts of the Donbas or Crimea. That’s why, since Putin implemented…