But in the world patrolled by the food police, children would not be exposed to ads until they are 18, the age at which activists seem to think people magically become discriminating and able to make rational choices in their own best interest.

FORBES: Fat-uous Approaches To the Obesity Problem

Increasingly, the system is going to have to make more rational choices.

FORBES: "Do No Harm" -- To Patients Or To Populations?

But to make rational consumption choices we need to know how much we are buying and what it costs - in real time .

FORBES: Engaging the Electric Grid - From Information to Intelligence