On Thursday, June 11, 2020, after rain spattered down on Lafayette Square in Washington, D.C., curators from the Smithsonian went to check on things. The area, which is close to the White House, has been a flashpoint in recent weeks. At the end of May, the park was full of people protesting the death of George Floyd, killed by a Minneapolis police officer, who has since been charged with murder and manslaughter. It’s the place where U.S. Park Police used chemical agents to flush out protesters for a presidential photo…
