The NFL today has bigger, stronger, bodies than ever, moving faster than ever, hitting a stationary object harder than ever before - so the physics of the hit have changed.

Very narrow areas of expertise can be very productive. Develop your own profile. Develop your own niche.

Cameron was able to get an inside look at professional football from the standpoint of athletes and agents and general managers that few people have ever seen.

Be open to the amazing changes which are occurring in the field that interest you.

It's learning how to negotiate to keep both sides happy - whether it's for a multi-million dollar contract or just which show to watch on TV, that determines the quality and enjoyment of our lives.

But the equipment to protect the players hasn't developed along with that, so now you have more players out with worse injuries, for longer periods of time.

As I write in my book, there is a misnomer that destroying another person's position is an effective and practical way to negotiate.