The revelations of the so-called Panama Papers that are roiling the world’s political and financial elites this week include important facts about Team Clinton. This unprecedented trove of documents purloined from a shady Panama law firm that arranged tax havens, and perhaps money laundering, for the globe’s super-rich includes juicy insights into how Russia’s elite hides its ill-gotten wealth. Almost lost among the many revelations is the fact that Russia’s biggest bank uses The Podesta Group as its lobbyist in Washington, DC. Though hardly a household name, this firm is well known inside the Beltway, not least because its CEO...