Charismatic Leaders and Ego

Charismatic Leaders and Ego - "Think for a moment ... of the 5 or 6 greatest leaders you've ever heard of, known, worked for, or imagined ... As you consider those leaders past and present, what are the characteristics that define them? What makes them great? Are they effective because of situational work, interpersonal dealings, general intelligence, content expertise, or perhaps a little of each? Do they possess that je ne sais quoi that we hear so much about but really don't know how to spell?"