I suspect one of his unspoken reasons was that he did not want to perturb the forward motion of his snow-balling battle against the deep State — just as it’s actually starting to roll...
Maybe. As I've been saying, I think Trump and Sessions are playing rope-a-dope with Mueller and the Deep State. We'll see when the DOJ Inspector General releases his report. However, it may be so redacted as to not give Americans the complete picture. Then it will be about FOIA lawsuits that go on for years.