Stakes are high as government plans exit from mortgage markets

"The wind-down of federal support for mortgage rates, set to end in two months, is a momentous test of whether the Obama administration and the Federal Reserve have succeeded in jump-starting the housing market and ensuring it can hold its own. The stakes for the economy are massive: If the market again falls into a tailspin, homeowners could face another wave of trouble, and it would deal a body blow to President Obama's efforts to get the economy on track."