Timothy Geithner

AP

US Treasury Secretary: 'Unthinkable' US Would Default On Debt

WASHINGTON - Treasury Secretary Timothy Geithner (GYT'-nur) says congressional leaders are putting together a framework for raising the nation's debt limit with a goal of announcing a deal before Asian markets open Sunday afternoon.US officials worry that a lack of significant progress on the debt ceiling and other debt issues would roil worldwide markets when they open for business.