For the last several decades the federal government has spent billions of dollars each year to increase the number of public housing units and rent subsidies for poor people. This year under Congress' efforts to restrain spending and balance the budget the federal government has stopped adding to its stock of subsidized housing. The government says a record number of Americans, five million households, now spend more than half their income on housing. And a growing number can't afford an apartment a place to live at all. Minnesota Public Radio's John Biewen reports.