Tough underwriting criteria, negative equity and tremendous regulatory uncertainty remain major hurdles to non-agency mortgage securitization, but people are at least thinking about new deals. Securitization players are still moving forward on a very cautious basis, according to Melanie Gnazzo, a partner in the structured finance and tax practice groups in the San Francisco office of law firm Chapman and Cutler. “We regularly look at term sheets for products that would provide financing for restructured mortgages and there are more inquiries focused on dusting off old shelf filings...