The Double Edged Sword

Psychopathic Boldness Tied to U.S. Presidential Success 

"Certain psychopathic traits may be like a double-edged sword," says lead author Scott Lilienfeld, a psychologist at Emory University. "Fearless dominance, for example, may contribute to reckless criminality and violence, or to skillful leadership in the face of a crisis."
In fact, fearless dominance, linked to low social and physical apprehensiveness, appears to correlate with better-rated presidential performance for leadership, persuasiveness, crisis management and Congressional relations, the analysis showed.

 Yes.   When it is good it is very, very good-  and when it is bad it is horrid.