Frank Bruni: We will never, ever be rid of Donald Trump

House Democrats are inching closer to a formal impeachment inquiry, as if that’s how best to exorcise Donald Trump from the body politic. Mark Sanford just became the third Republican to announce a 2020 primary challenge and to dream of a successful insurrection against an emperor whom most of the party meekly obeys.And 10 Democrats will take the stage on Thursday night for the party’ next presidential debate, each determined to present himself or herself as the surest route to the f