Own interest and common interest. Prisoner's dilemma versus co-operation. Being part of the problem or being part of the solution. Cliffs Walked away as well for the lack of reasonable negotiations in the past. Did we learn from it ? It implies FN will have to wait for so much longer since Cliffs' departure. It is risky in the end since there is now a lot to loose, Not only houses jobs and sewer. That is the big difference with the former negotiations.