As Democrats in Congress worked on reforms after the financial crisis, issuers of MBS and ABS repeatedly warned that regulatory uncertainty would hurt the market. With Republicans now looking to roll back parts of the Dodd-Frank Act, industry participants are pushing for risk-retention requirements to remain in place, again citing the potential impact of regulatory uncertainty. “It’s foolish to think that we would try to tear it all down,” said Howard Kaplan, a partner at the law firm of Deloitte & Touche, during this week’s SFIG Vegas conference. Among many other changes, the CHOICE Act from Rep. Jeb Hensarling, R-TX, would repeal...