How will we memorialize the coronavirus pandemic?

SHANKSVILLE, Pennsylvania — Standing at the entrance to the Flight 93 National Memorial in Somerset County, the midmorning sky was doing what it always does in the Allegheny Mountains, shifting rapidly from clear blue with white, puffy clouds to a dark and ominous grayness that swiftly shifts the temperature and the mood.

The wind howled easily in this range, part of the seemingly infinite Appalachian Mountains. It rattled the gate locking visitors out of the memorial that draws thousands of people every year to honor, remember, and see firsthand where that final plane, calculated to target the Capitol on Sept. 11, came down on an old strip mine.