Originally Posted by WakingTheBull Source: By Margaret Chadbourn WASHINGTON | Tue Nov 8, 2011 7:29pm EST (Reuters) - Fannie Mae, the biggest source of money for U.S. home loans, on Tuesday said it needed a further $7.8 billion in federal aid to stay afloat as a shaky housing market widened its third-quarter loss to $5.1 billion. The government-controlled firm also attributed the deeper cash drain to losses on derivatives used to hedge its exposure to interest-rate swings and on expenses related to home loans made prior to the 2008 financial collapse. In the year-earlier quarter it had a loss of a $1.3 billion. Fannie Mae has now drawn $112.6 billion in bailout funds from the Treasury Department since being seized by the government in 2008 as mortgage losses mounted, and it has returned $17.2 billion to taxpayers in the form of dividends. "There is certainly a lot of pre-2009 loans that we need to work through and that is certainly driving the credit losses ...