New research is helping foment pervasive rumors about a massive government refinancing of agency-backed mortgages intended to bolster or replace the underperforming Home Affordable Refinance Program for underwater Fannie Mae and Freddie Mac borrowers. Earlier this month, industry watchers began to speculate about possible HARP changes following a note by the Washington Research Groups Jaret Sieberg picked up by an American Enterprise Institute blog posting that predicts President Obama will appoint a housing advocate to the Federal Housing Finance Agency via a recess appointment. Such an...