U.S. Treasury debt is as safe as it was before a Standard & Poor's rating downgrade of the United States and Congress' "damaging" debate over raising the country's debt limit, Treasury Secretary Timothy Geithner said on Sunday. Geithner, in an interview with NBC/CNBC television, also called on European leaders to ensure that there is an "unequivocal financial backstop" for euro zone governments facing fiscal and debt problems. He added that a double-dip recession was unlikely if governments and central banks made good decisions. Asked whether Treasuries were as safe now as they were last week, Geithner replied: "Absolutely. And the...