Has there ever been a major economic summit where a U.S. President and his Treasury Secretary were as thoroughly rebuffed as they were at this week's G-20 meeting in Seoul? We can't think of one. President Obama failed to achieve any of his main goals while getting pounded by other world leaders for failing U.S. policies and lagging growth.

The root of this embarrassment is political and intellectual: Rather than leading the world from a position of strength, Mr. Obama and Treasury Secretary Timothy Geithner came to Seoul blaming the rest of the world for U.S. economic weakness. America's problem, in their view, is the export and exchange rate policies of the Germans, Chinese or Brazilians. And the U.S. solution is to have the Fed print enough money to devalue the dollar so America can grow by stealing demand from the rest of the world.

Embarrassment in Seoul: The world won't follow slow-growth, weak-dollar America