In a matter of weeks, LinkedIn cofounder and Democratic Party super-donor Reid Hoffman has gone from pouring at least $10 million into Kamala Harris’s presidential campaign to contemplating a U.S. exodus. Hoffman told close friends and associates he is considering a move overseas, three anonymous sources told the New York Times last week. The 57-year-old tech mogul, who helped finance E. Jean Carroll’s private sexual assault lawsuits against Donald Trump, reportedly said he fears retribution from the president-elect. Trump has been explicit in his intention to seek vengeance on his political enemies, saying, “Sometimes revenge can be justified.” The remarks...