Rich Lowry: Removing Trump now would be insane

It’s easy to forget what the Senate impeachment trial is supposed to be about.It's not a fight over whether the Senate will call a couple of witnesses that the House couldn't, or didn't bother to, obtain on its own.The underlying question is whether the United States Senate will impose the most severe sanction it has ever inflicted on any chief executive, voting to remove a president for the first time in the history of the country and doing it about 10 months from his reelection bid.This