Watch breaking news videos, viral videos and original video clips on CNN. The Pyramid Principle By Barbara Minto'>The Pyramid Principle By Barbara Minto. Brd File Viewer. Statistical Techniques Statistical Mechanics. Is the new nanoglaze ceramic safe Jini Patel Thompson tells you what you can use instead of tefloncoated frying pans and pots. Video News CNNChat with us in Facebook Messenger. Find out whats happening in the world as it unfolds.