Commentary At some point, we need a clear timeline based on what we know so far from books, FOIA requests, and other public information. We also need investigations that must begin in earnest if there emerges a new Congressional majority. In the meantime, it makes sense to at least note the important dates, and March 12, 2020, is one. It’s the second anniversary of the travel restrictions from Europe imposed solely at the discretion of the U.S. president. For me, it was a shocking day. I had no idea that the president possessed such power, much less that he would do it on his own. The virus was already here and the effort probably made no difference in mitigation efforts. Even if it did—counterfactuals are really impossible here—the only effect was to delay the date at which nearly every American would eventually encounter the virus. That finally happened nearly two …