That idea has been developed and extended in Edward de Bono's popular "Six Hats" system for decision-making discussions.

FORBES

The fact of the matter is, as you know, the provision that extended the payroll tax cut put this artificial 60-day deadline, if you will, on the decision-making process, and State Department -- the State Department has been very clear that that does not allow for the kinds of reviews that are necessary.

WHITEHOUSE: Press Briefing