Well, it appears we just have to disagree here. I see very immediate and legitimate threats to our (and our allies') well-being from the likes of Iran or Russia (I might agree with you on Cuba as it stands now -- but let's not forget the missile crisis, which has probably been the largest threat we've faced yet). I am all for peacefully negotiating mutually-agreeable solutions, but the key to having those negotiations in the first place is a credible threat of force, not folding at the first opportunity.