The book is called up stream, the quest to solve problems before they happen. What was the seed that made you want to talk about problems solving before the problem happens? I actually have a very clear answer to that, because i started a file in two thousand nine called upstream. It was i heard a parable that's well known in the field of public health - it's often attributed to a gun named irving zola. And so begins this kind of revolving door of rescue.

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