11/16/1967
https://www.presidency.ucsb.edu...
"Let me tell you when I know. I can't speculate because I can't tell when I will receive it."
"The Tet offensive has since his last personal visit here, with emphasis on the period."
"He will probably be returning Thursday."
"I will ask Mr. Christian to keep in touch with you and if there are any other announcements during our stay here, he will relay them to you as well as keep you informed of any other developments."