David Smith says scandal-scarred Fannie Mae and other "government sponsored enterprises" (GSEs) have successfully dodged the threat of stronger government oversight, thanks to the mortgage crisis–and the 2006 election. This appears to be a case where Republicans are more amenable to stricter regulation than Democrats:
In political terms, Democrats are GSE supporters, Republicans are GSE skeptics. (Departed former CEO Franklin Raines was President Clinton’s OMB Director)
You have to click on Smith’s links to find out what the regulation (which he supported) would have entailed. Cheap visual devices are employed, as usual.