Private mortgage insurers would play a strategic role under a new Senate proposal for winding down Fannie Mae and Freddie Mac and privatizing guarantees on high-quality mortgage securitizations. Introduced by Sen. Johnny Isakson, R-GA, the Mortgage Finance Act of 2011 would create a new regulatory framework for securitizing qualified residential mortgages and an alternative form of guarantee provided by a new Mortgage Finance Agency. Under Isaksons bill, the two government-sponsored enterprises would be placed in a run-off mode by the Federal Housing Finance Agency 18 months from the date of enactment. They would be required to ...