It’s been a week of viruses and vitriol, jittery markets and even more jittery Democrats. Panic is in the air. Things are spinning out of control. The center cannot hold because there is no center in 2020.

But urgency is good. It focuses the mind. A corrupt, ignorant and inept president who has yet to face a crisis finally has something — the coronavirus, which has the outside potential to do to the human race what climate change may do to the planet — that he can’t demagogue away.

The need to replace him has never been greater. And yet, the Democratic field is badly flawed: four septuagenarians; a sensible man who looks too young to shave; two people who should have left the race weeks ago.

One must emerge in time to save the republic. And so, on to the necessary elimination. We will soon be entering a short span of time that could change the world. Here are some things that have to happen now:

Get out! It’s the title of a great horror movie. But also a necessary public service that should be performed immediately by Amy Klobuchar, Pete Buttigieg, Tom Steyer, Mike Bloomberg and perhaps Elizabeth Warren.