Managing for the variance, instead of the average, is the outcome of great project leadership: a search for the best ideas, leadership thoughtfulness, ambitiousness, a passion for the job at-hand, the assemblage of the right skills, obsession with details, and unreasonableness in the attempt to get the most out of the talent assembled, are all attributes characteristic of great teams, and of great leaders.
FORBES: South to the Pole: Leadership Wins the Race