Richard Nixon actually said...
I, Richard Nixon, President of the United States of America, do hereby extend the warm welcome of the United States to all authorized Olympic delegations and ask them to come to the United States to take part in the 1976 Olympic Games if they are to be held in the cities of Los Angeles and Denver; and further, I hereby pledge that the United States will take every appropriate measure to insure the entry and full participation of all authorized delegations.
Context
Proclamation 3958—1976 Olympic Games
02/02/1970