What does it mean to say that a supply chain can be too lean? Give examples why this may be a problem.

The class will review and discuss eight (8) u-tube videos presented by well-known leaders
Howard Schultz, Starbucks 

Questions to be answered:
1. What is the main concept of the video?
2. How does this video apply to me as an individual in a leadership role?
3. Please research and include in your posting how Starbucks is doing in the market?