John Kennedy actually said...

I do not intend to go unless there is a situation develops which I believe would make such a trip fruitful and rewarding.

If the Soviet Union desired to see this matter settled peacefully, it would seem to me that all sides, both sides, should bend every effort ...

We must pledge ourselves at the outset to an unceasing effort to continue until the job is done.

President Kennedy congratulated President Ahidjo for his successful efforts in the progressive development of his country.