Explain the process for conducting contract negotiations. What are the issues to

Explain the process for conducting contract negotiations. What are the issues today that need to be addressed?
Also, here are two videos about contract negotiations. The second video is a comedy, but there are lessons that can be learned from it.
Principles of negotiation located at: https://www.youtube.com/watch?v=RfTalFEeKKE
Contract negotiations with Boeing, and example, located at:  https://www.youtube.com/watch?v=GGHBQLxynrI
Please feel free to use work experience, the university library, internet, videos, or other reputable sources if you desire.