Rick Wilson, the GOP strategist who has emerged as a leading anti-Trump gadfly, was recently talking to a good friend of his who serves in Congress, representing a moderate but solidly Republican district in the upper Midwest. “He loathes Donald Trump,” Wilson told me. “Hates him with the fire of a million suns.” Yet the congressman told Wilson he’s terrified to cross the president, saying, “ ‘If I say something about [Trump], one tweet could kill me.’ ”