Mel Watt, director of the Federal Housing Finance Agency, defended his efforts to expand credit access at a hearing of the House Financial Services Committee. Republican lawmakers objected to the FHFA’s decision to allow the GSEs to guarantee mortgages with as little as a 3 percent downpayment. They also blasted a decision to delay an increase to the fees Fannie and Freddie charge to guarantee mortgages — the increase was designed to reduce the presence of GSEs in the housing market. And they complained about the FHFA’s decision to end a six-year suspension of payments into affordable housing trust funds. “These are not risky loans,” Watts pushed back. “We have made that assessment based on research, not based on politics.”