There are many dangers ahead for that great survivor of American politics, Joe Biden. There is a deadly virus that is rampaging across the land even as it is mutating, economic challenges, a wealth and privilege gap that is widening, potential troubles with Iran, allies wary of America’s commitments and direction, and citizens at home and abroad worried about the endurance of democratic institutions in what remains the globe’s most powerful economic and military power.

That list exemplifies what your sixth-grade teacher would call a run-on sentence. That is because the problems run on and on. And that is before we mention the fundamental crisis:

David M. Shribman is the former executive editor of the Pittsburgh Post-Gazette. Follow him on Twitter, @ShribmanPG