Over the past several weeks, the Treasury Department has been meeting with several industry trade groups about the future of Fannie Mae and Freddie Mac, discussing – among other things – what to do about the impending “zero capital” problem as well as the topic of multiple guarantors. Treasury’s goal, these officials said, is to come up with a workable blueprint on the future of the government-sponsored enterprises and the nation’s housing finance system – changes that might touch Ginnie Mae as well. Late this week there was...