Your company's chief executive might be a pretender, and that may be a good thing, according to Stanford University Professor of Management Science and Engineering Robert Sutton. Sutton, the author of a 2001 study of corporate innovation, "Weird Ideas that Work," says that a close look at the evidence shows that chief executive officers (CEOs) probably deserve less credit for their company's fortunes than they receive, and that the best of them manage a tough balancing act: secretly aware of their own fallibility, while also realizing that any sign of indecisiveness could be fatal to their careers. "In just about...