Based on your experience or readings, discuss how these mega trends affect the Purchasing and Supply Management professional in the exercise of his/her duties and responsibilities - in particular Supply Chain Management and Supplier Outsourcing in the public and private sectors. What are the salient factors that have contributed to the evolution of the Purchasing and Supply Management profession? Are the use of supply chain management principles/practices and the establishment of strategic alliance agreements with select suppliers more conducive to private sector organizations? What are your perspectives? NOTE: Your response should include comments and/or observations relative to each of the items associated with this week's discussion topic. You can divide your response into paragraphs - one each for each item. Moreover, your initial response should address each of these items. Subsequent responses can constitute a commentary on your classmates' comments/observations on any one or all items. Although no specific length or size of each item is required, your response to each item should focus on the salient points or key aspects corresponding to the nature of each item.