(RECAP: A bipartisan team from the Senate Banking Committee reached an agreement Tuesday on a broad bill that would unwind Fannie Mae and Freddie Mac the government-sponsored mortgage companies bailed out by taxpayers and placed under conservatorship during the financial crisis. The plan would replace Fannie and Freddie with a new system of federally insured mortgage securities in which private insurers would be required to take initial losses before any government guarantee would be triggered.)