Lyndon Johnson actually said...

I think it is important to the future of our economy and to our relations with the other nations in the world.

I think the American people are perfectly careful and prudent people and they can very well judge those matters themselves.

I would hope that no other nation would think that we are a nation of warmongers and that we have any evil designs on conquest or domination...

I will be very happy for Mr. McCone, the Director of CIA, to brief him at any time that he cares to be briefed.