There was agreement this week during a hearing of the Senate Banking, Housing and Urban Affairs Committee that recent efforts to expand the government’s refinance program are slowly having the desired effect, but the direction of refi policy to come remains an open dispute among officials. Department of Housing and Urban Development Secretary Shaun Donovan said the Obama administration is “encouraged thus far” by the 50,000 homeowners who have already refinanced their mortgages under HARP 2.0, the revamped Home Affordable Refinance Program. “These changes have met with a very positive response from homeowners....