Transcendent Leadership

In the reading "Transcendent Leadership," Crossan and Mazutis introduce a framework of leading across four levels - self, others, organization, and society - and discuss the challenges for each.
1) From your experiences, which level do you believe presents the most challenges in leading others? Explain.
2) The authors talk about "leadership of self." Can I lead myself? Does the author make a sound case for this or not? Explain.