Dear Al: A series of things, both personal and official have come up that make it practically impossible for me to hold on to the June 13th date for coming to Trinity.1 I believe that it would be best to postpone such a visit to another time.
In the first place, I had forgotten, when I talked to you, that I had already promised Mamie to save our June week ends to the greatest possible extent so that we might have some opportunity to go up to the farm to consult with the builder as to details which will then be waiting for decision. Because so many of my week ends have been otherwise occupied, I have been quite unable to help her as much in this regard as I should have.2
The second reason involves a series of inescapable conferences on numerous problems with quite an assortment of different individuals. Such of these as require the setting aside of two or three hours can scarcely be crowded into the normal weekday schedule. I am therefore compelled to take some of them up on week ends. The prospect is that during the remainder of May and throughout June, there will be an unusually large number of this type of conference. They will have to be conducted either in the White House or at Camp David in Maryland (which, as you know, is not far from the farm).3
Naturally, I could arbitrarily hold out the five hour period that would be necessary to cover the complete Trinity visit; however, to do so would mean that I would come up there as a rather weary individual.
At the moment it looks as though a date sometime between October 15th and November 15th would be much better. Would that have any appeal for you?4 Sincerely