School shootings may not have been something parents worried about when they were in school, but there is a lot of work being done today to prevent them.

Now there is another, a still-growing American casualty list that has exceeded deaths from the Vietnam and Korean wars combined. Actual deaths from COVID-19 are almost certainly higher than the numbers show, an undercount to be corrected in time. It is well beyond what he told people to expect even as his public-health authorities started bracing the country in early April for at least 100,000 deaths. Unlike his emotional vice president, Joe Biden, Obama practiced his own kind of social distancing, to the point of aloofness. This, too, is not Trump's way.