What makes the latest about-face so embarrassing is that Mr Fox and his officials have insisted that the issue at stake in the mayor's prosecution is one of principle: the rule of law and the notion that nobody is above it.

ECONOMIST: The race is on | The

My last conversation with Adrian Bejan ended on the notion that if design in nature is a universal principle of the material world, then freedom is the key variable that determines how efficiently designs can evolve over time.

FORBES: The Constructal Sessions, Part II: Freedom and Design

The guiding principle behind VAWA and each of its subsequent reauthorizations has been an unyielding commitment to the notion that no sexual assault or domestic violence victim should be beaten, hurt or killed because they could not access the support, assistance and protection that they need.

WHITEHOUSE: Engage and Connect

And I think that that principle of large-scale guest worker program seems like it's in conflict with our basic notion of a democratic republic made up of citizens.

NPR: Immigration Plan Puts Price on Visa