Is Subprime Mortgage Lending Making a Comeback?

For mortgage lenders, "subprime" can sound like a dirty word, especially after the financial crisis. But now some mortgage companies, in search of new business, are starting to loosen their credit standards again. As some banks and nonbank lenders, including Wells Fargo and Carrington Mortgage, offer mortgages to less creditworthy borrowers, are the subprime mortgage floodgates about to open wide?