Quicken Loans said it will be evaluating whether it should continue participating in the FHA single-family mortgage insurance program after the federal government formally accused the lender of improperly originating and underwriting mortgages that cost the FHA losses in paid claims. The Detroit-based mortgage lender two weeks ago took the unprecedented step of filing a lawsuit against the government for alleged harassment in what it deemed a long-running fishing trip to drum up charges against the company. Last week, the empire struck back. The Department of Justice filed...