Treasury Secretary Tim Geithner and Housing and Urban Development Secretary Shaun Donovan are hosting a summit to fix Fannie Mae and Freddie Mac , where Industry leaders will offer their ideas on how to fix the mortgage behemoths.

Since Fannie and Freddie were placed under government conservatorship in September 2008, the two companies have set aside $171 billion for credit losses and requested $148 billion in taxpayer aid.

Are they even viable anymore? Do you think Fannie and Freddie are necessary? Share your opinion below: