But as we' ve seen in real-world negotiations, as well as in classroom simulations with seasoned deal makers, this type of problem solving is exceedingly rare.

In my experience, these moments are relatively rare so I am not surprised that I do not have such a strong view today.

That didn' t matter so much 20 years ago when personal computers were few and far between , but times have changed.

The people who were genuinely and unconditionally happy for me to succeed were few and far between.

Another is that they're extremely rare, forming only in the densest star clusters.