In February 2021, by order of President Volodymyr Zelensky, Ukraine shut down three domestic television channels, accusing them of spreading Russian “propaganda.” Three months later, Zelenksky arrested Viktor Medvedchuk, who was at the time leading the second-biggest party in Ukraine’s national parliament, the pro-Russia and Eurosceptic Opposition Platform for Life (OPZZh). Zelensky didn’t have trouble incinerating vaunted democratic norms well-before Russia crossed the Rubicon into Ukraine this year. So it was no surprise when he did it again amid the war in late March, invoking emergency powers under martial law to nationalize TV channels and ban 11 opposition parties, including...