Regulatory uncertainty continues to frustrate mortgage bankers who can see the outlines of major pending changes in consumer protection, securitization rules and capital requirements that remain largely enshrouded in bureaucratic fog. We have these new concepts, qualified mortgages and qualified residential mortgages, but we dont know what their exact definitions are, said Michael Heid, president of Wells Fargo Home Mortgage, during a panel session at this weeks annual convention of the Mortgage Bankers Association in Chicago. We are in a gray state; the concepts are there, but the rules arent. At the same time were having to clean up issues from the past. Debra Still, president and CEO of Pulte Mortgage, said...