Shareholder-Accountable Boards - Policy Governance model principles applied to corporate boards

The performance of corporate boards is being scrutinized by a public that has become increasingly skeptical in the wake of regularly-revealed corporate scandals. Is there a better way? While no system of governance can guarantee ethical behaviour, there is a model that can position boards to be certain they have fulfilled their accountability to their shareholders.
Sir Adrian Cadbury, Chairman of the Committee on Financial Aspects of Corporate Governance in the United Kingdom (author of "The Cadbury Report"), has said this model is "as near a universal theory of governance as we at present have." He goes on to say that the model "relates governance to ownership and to active ownership at that. … Good boards deserve strong executives, and strong executives should welcome working with boards that give them a clear remit and operating freedom within known limits."