"Clark and Mingyuan start with an insightful and comprehensive description of how market participants contributed to the current crisis in the residential mortgage markets and the root causes of the crisis. They then proceed to develop a new residential mortgage lending system that can fix our broken markets because it addresses the root causes. The most impressive attributes of their new system is its commonsense return to the basics of traditional underwriting, combined with factors based on expert judgment and statistics and forward-looking attributes, all of which can be updated as...