In the corrosive and dangerous Trump presidency, the outrages fly so fast and the chaos mounts so thoroughly that it’s easy to pass off the entire unsettling phenomenon as one more made-for-TV-and-Twitter unreality show. New outrages drive the previous ones from our minds.

In recent days, two questions have dominated the discussion: Did he abuse his presidential power to boost his own political fortunes by pressuring Ukraine to investigate former Vice President Joe Biden and his son Hunter? And is he obstructing justice by not cooperating with an impeachment inquiry?