In Ukraine and Russia, May 9 is marked as the day Nazi Germany was defeated in World War II. This year, the patriotic occasion was celebrated very differently in the capitals of the two countries. In Kyiv, unlike Moscow, there was no Victory Day parade. Instead, Ukrainian President Volodmyr Zelensky posted a video on social media of him walking down one of the city’s empty shopping streets. He walked past tank barriers and sandbags as the video recalled earlier peaceful holidays and parades – with a much less haggard Zelensky watching a flypast. “We are proud of our ancestors who,...