While Ukraine hoaxer Alex Vindman may achieve an early victory in this case, he may soon deeply regret his decision to sue. On Feb. 2, Alex Vindman, the driving force of the first impeachment of President Donald Trump, filed suit in a federal court in D.C. against Donald Trump Jr, the former president’s son; Rudy Giuliani, the president’s former personal attorney; Julia Hahn, the former special assistant to the president; and Daniel Scavino Jr, a Trump communications official. Vindman’s lawsuit alleges the four defendants conspired to intimidate and retaliate against him, in violation of the Ku Klux Klan Act of...