Two of the mortgage industry’s major trade groups are telling conflicting stories about the dangers associated with alternative mortgages – with Realtors urging borrowers to be wary and mortgage bankers touting the products as a boon to homeownership. The National Association of Realtors sounded its warnings in a news release that touted a new educational brochure for borrowers that urge them to shop carefully before choosing a loan. The brochure, drafted in conjunction with