ideas to take

A reasoning several angles of attack and extremely well documented.
We can blame him
- Examine some interesting cases in any case much less than that of the shuttle Challenger
- To be too serious,
- Conclude boldly sometimes with easy shortcuts
- And especially since the absurd decisions are from the same process that great ideas, not to propose clear safeguards, crisp and sharp.

But I put 5 stars because in cases like those presented, there is no turnkey solutions to be aware that if it's possible to go wrong despite much thought. Because this book also offers us many avenues of research and development. Learning must be on our own, that our opinions and decisions will be even better, even if sometimes they are absurd.
We can not bring everything on a platter but Christian has chewed we work.