The Leader's "Top Five" List

I’m always interested to see a list of “top leadership traits.” When I was still running a company, I would scan it and see how I measured up. Perhaps you do this.
On November 19th, the Wall Street Journal had this article:
“Tough CEOs Often Most Successful, a Study Finds.”
A week later, also in the WSJ, this title:
“Are You CEO Material? Find Out With This Test.”
Both articles referred to the same recent University of Chicago business school study. From the study, “here are five CEO traits that correlate most closely with business success . . . :” (Check yourself)