Mortgage lenders have become so risk-averse and sensitive to potentially punitive judicial or regulatory overkill that they’re demanding near-pristine credit histories and imposing their own credit overlays on top of existing underwriting standards that are already considerably tougher than they were during the years of the mortgage boom. And that’s unlikely to change and may in fact get worse unless federal policymakers make dramatic changes to the legislative and regulatory landscape. That was the main take-away that Paul Miller, managing director and group head of financial services research at...