What Is the Point of Having Nuclear Weapons?

If we could think ourselves to the point of realizing that it wouldn't be tempting to use these weapons, even in the case where they seem to most cry out for their use, at least the legitimacy of their use. What you're describing is what would certainly go through the mind of any president if he saw an attack heading towards the united states. And he might very well decide not to launch ther eteleto teck, even though he was capable of doing so. It j seems to me to be almost an irrational viewpoint. But yet, our whole deterrence or force posture, all our policies are based on that as being the threat. The real threat is a threat of blundering...