Problem:
Your Supply Chain Manager thinks that theories taught in The Goal by Eliayhu Goldratt may have direct applicability to your company and the decisions being made.
Your Supply Chain Manager is probably your most knowledgeable subordinate and is the leading candidate to replace you someday. Because you want to "stay a step ahead" of him, you decide to study the area, so you go to the Cybrary and Internet and begin research.
Read about key elements and applications of Goldratt's Theory of Constraints. Post, with explanation, at least three elements that you found most important and applicable to the company.