Luxury mansions, duffel bags stacked full of cash, and a golden toilet. These are just some of the excesses that members of Volodymyr Zelensky's inner circle enjoyed as Russian missiles rained down on civilians, according to Ukraine's top anticorruption agencies. The scandal had old-school elements: its co-conspirators are accused of employing code names for each other such as 'Professor', 'Sugarman', 'Karlson', and 'Rocket' as they lined their pockets amid Moscow's years-long invasion. The corruption crisis sweeping Zelensky's government could not have occurred at a more pivotal moment in the country's history, as it thrashes out a peace proposal that will...