https://thinkprogress.org/trump-conveniently-forgets-everything-about-meeting-that-could-implicate-him-in-russia-probe-9093a81af59b/
"I have “one of the greatest memories of all time,” President Trump said just a few days ago. But, according to the White House, he has no recollection of a critical campaign meeting that could implicate him in the Russia probe, despite previously tweeting about it and posting a photo to Instagram."