"Pre-Lehman, the focus was on asset allocation" and a diversified approach to active management, says London Business School professor Elroy Dimson, who is also head of the Strategy Council for the Norway fund.

WSJ: Supercharging Your Investment Portfolio

This approach was seconded, in its geographic absolutism, by other pre-First World War space-history explanations.

NEWYORKER: Faces, Places, Spaces

The net result: Most people end up targeting about 70% to 80% of their pre-retirement income, which basically represents 100% of their pre-retirement spending (in fact, this is where the "replacement ratio" approach to determining retirement income originated).

WSJ: The Experts: How to Plan for Retirement Expenses

The CIVCAS Manual moves beyond a strict law of armed conflict mindset, to an approach that integrates civilian casualty mitigation principles across the spectrum of routine and pre-deployment training, doctrine and education.

FORBES: Army Publishes New "Manual" on Preventing Harm to Civilians

This approach has helped Sprint avoid a billion dollars in cost, since the majority of these pre-owned, certified devices are redistributed through equipment warranty and insurance claims.

FORBES: Recycling E-Waste: How One Company Gets It Right