Frank Bruni: Why a Trump impeachment terrifies me

President Donald Trump deserves to be impeached. But the prospect terrifies me, and it should terrify you, too.That’s not to say that it’s the wrong move. Arguably, it’s the only move, at least in terms of fidelity to the Constitution and to basic decency. From the moment that Trump stepped into the office of the presidency, he has degraded it — with words that a president has no business speaking (or tweeting); with ceaseless lies; with infantile and often unhinged behav