The Obama administration is making a renewed push in 2013 for a government-backed non-agency refinance program, potentially the third major phase of the Home Affordable Refinance Program. However, there appear to be numerous hurdles to using the government-sponsored enterprises to help refi non-agency borrowers and a similar proposal using the FHA has yet to gain widespread support in Congress. Under the latest HARP 3.0 proposal, Fannie Mae and Freddie Mac would refinance certain non-agency mortgages with negative equity, waive mortgage insurance requirements and charge the borrowers higher guaranty fees. The proposal would require approval from Congress. After taking significant taxpayer bailouts, the GSEs fiscal condition is...