Wall Street has unveiled policy proposals calling for premium and guaranty fee adjustments and reduced loan limits for FHA and the government-sponsored enterprises to jump start the return of private capital to the U.S. housing market. The American Securitization Forum said the current level of government activity in the mortgage market is neither sustainable nor advisable. The government, through FHA, Fannie Mae and Freddie Mac, directly or indirectly guarantees 90 to 95 percent of new mortgage originations in the country, the trade association said. While everyone agrees the government’s role in housing should be reduced over the long term, there is ...