How does Dr. Goldratt explain the theory of constraints and how to use it in overcoming bottlenecks in processes?

Watch the videos at http://youtu.be/mLRnqC69c9Q and http://youtu.be/f0xtOUK55vY. Explain how Deming views total quality managment (TQM). 

 

Watch the videos at http://youtu.be/dtjTVwd8x-4 and http://youtu.be/tWvMODJ9cVc?list=PLZ-vWB7-ZlHkOqFKsU_tcZ-NeTyFEOPyg. How does Dr. Goldratt explain the theory of constraints and how to use it in overcoming bottlenecks in processes?