The paint is still wet on the expanded Home Affordable Refinance Program, but the Obama administration says it is firmly behind efforts by Senate Democrats to expand the program for underwater Fannie Mae and Freddie Mac borrowers even further. Sens. Robert Menendez, D-NJ, and Barbara Boxer, D-CA, are preparing to file legislation that would force Fannie Mae and Freddie Mac to waive representations and warranties on new HARP loans regardless of whether the refinance lender serviced the previous mortgage. The forthcoming Responsible Homeowner Refinance Act of 2012 would also prohibit the government...