Treasury counselor David Zervos said the IMF should check its own forecasting record before criticizing U.S. fiscal policy.
Zervos said the IMF's forecasts have been "messy" in the past, while IMF Managing Director Kristalina Georgieva warned growth alone would not put U.S. debt on a sustainable course.
The article says government debt surpassed $40 trillion, and economists are divided on whether the U.S. could be pushed into a true fiscal crisis.