Treasury Hid A.I.G. Loss, Report Says

``The United States Treasury concealed $40 billion in likely taxpayer losses on the bailout of the American International Group earlier this month, when it abandoned its usual method for valuing investments, according to a report by the special inspector general for the Troubled Asset Relief Program... He said the Treasury’s statements tended to contribute to a “widespread, but mistaken, belief that TARP is at or near its end.”''