Risk Analysis

Schneier on Security has a great article up about risk analysis and worst case scenarios.

The new undercurrent in this is that our society no longer has the ability to calculate probabilities. Risk assessment is devalued. Probabilistic thinking is repudiated in favor of "possibilistic thinking": Since we can't know what's likely to go wrong, let's speculate about what can possibly go wrong.

Here's where our education system fails. Critical Thinking is not a course at any level of education outside of college.