American International Group, which at times has seemed reluctant to admit that it owned a private mortgage insurance business, is now considering using the MI subsidiary to expand its footprint in the mortgage business. In an interview with the Financial Times, AIG Chief Executive Robert Benmosche said that the company is considering purchasing the mortgages it insures, though it is still working on hammering out the program’s details. Citing the fact that AIG is still in the planning stages, a company spokesperson declined to comment further on the program, specifically on what kind of loans AIG will...