John Kennedy actually said...

Any setbacks in our prestige should naturally affect our thinking as well - our choice of policies - our choice of leadership.

This is a contest between the concerned and the comfortable, and you have to decide what you are, comfortable or concerned.

Secondly, how can we maintain the peace and maintain our own security around the world and strengthen freedom?

Only the President of the United States can place before the American people the unfinished business of our society.