More on (no) root causes: http://www.kitchensoap.com/2012/02/10/each-necessary-but-only-jointly-sufficient/ http://www.kitchensoap.com/2012/02/10/each-necessary

More on (no) root causes: http://www.kitchensoap.com/2012/02/10/each-necessary-but-only-jointly-sufficient/ http://www.kitchensoap.com/2012/02/10/each-necessary-but-onl...