One of the primary sponsors of mortgage refinance legislation pending in the Senate told colleagues this week that her legislation could save homeowners and Fannie Mae and Freddie Mac tens of millions of dollars, while acknowledging that it could cost the Federal Reserve billions of dollars in lost investment income. Testifying on behalf of her legislation before a Senate subcommittee on Wednesday, Sen. Barbara Boxer, D-CA, said S. 170, the Helping Responsible Homeowners Act of 2011, “would result in up to 54,000 fewer defaults and produce a net savings up to $100 million for Fannie and Freddie.” Homeowners would see immediate relief. “A one and a half percent reduction in...