Hillary Clinton’s campaign has been forced to acknowledge over the past week that the former secretary of state did not, as she had claimed, turn over all her work-related email to the State Department. The new story is that her deletion of these emails was an oversight. Team Clinton is hoping therefore that you won’t hear the story of Rajiv K. Fernando, which would suggest the oversight tale to be yet another untruth.

Don’t feel bad if you’ve never heard of Mr. Fernando, because you arguably never should have. Mr. Fernando...