Former Defense Secretary Robert Gates is alleged to have said that when spies smell roses, they look for the funeral. And so, as an old spy, I smelled roses when Ukraine’s President Volodymyr Zelensky came to town just before Christmas. Zelensky was loved. He again showed his country’s bravery against Putin’s brutal war and in doing so gave a bravura performance speaking to Congress and the American public of his worthy cause — a cause for which the United States has given nearly $50 billion in a year’s time, with more already pledged. Expensive roses for a worthy cause. Still,...