Special Counsel Robert Mueller has become keenly interested in many White House episodes in which Donald Trump played a central role, not least of which was the crafting of an initial statement about the meeting between Don Jr., Jared Kushner, Paul Manafort, and a Kremlin-linked lawyer. That statement—which disintegrated over a period of days under the weight of further reporting—was reportedly dictated by Trump from Air Force One, which has piqued Mueller’s interest.