In 1962, President John F. Kennedy justified going to the moon this way:
We choose to go to the moon in this decade, not because it is easy, but because it is hard, because that goal will serve to organize and measure the best of our energies and skills, because that challenge is one that we are willing to accept, one we are unwilling to postpone, and one which we intend to win.1
Despite all the barriers and difficulties, humans took that small step on the moon, representing a giant leap for humankind.
The challenging situation faced in the sixties was doing business as usual. In the twenty-first century, projects are bigger, more complex, and more ambiguous, and they require a closer ...