The President's News Conference
12/11/1962
https://www.presidency.ucsb.edu...
We are attempting, therefore, to bring our policy position up to date with our new scientific information.
We have made two--we have a chance for two significant --three significant steps now as you described them.
We are completing that with a final meeting before Mr. Dean goes back this afternoon.
We find no justification for the Soviet claim that a test ban treaty can be effective without on-site inspection.