What are Walmart’s supply chain strategies to operate domestically and globally with emphasis on how they plan and integrate supply chain components into a coordinated system? Does Walmart use key tactics such as risk pooling, inventory placement, integrated planning, collaboration, information sharing, or other tactics? If so, please describe. Are other tactics used? · How does Walmart leverage the transportation industry providers, users, and government agencies? How does Walmart address public policy issues along with managerial strategies in both the micro and/or macroeconomic issues in the transportation industry?