The National Association of Federal Credit Unions is afraid that new GSE buyback policies promulgated by the Federal Housing Finance Agency could lead to a secondary mortgage market with fewer products and less competition from credit unions and smaller lenders. In a new comment letter to the agency, Dan Berger, NAFCU’s executive vice president of government affairs, said any new buyback requirement would hurt CUs disproportionately because these so-called nonprofit lenders “do not have the volume…