The United States would be ready to support the extension of the European Financial Stability Facility via an extra commitment of money from the International Monetary Fund, a U.S. official told Reuters on Wednesday. "There are a lot of people talking about that. I think the European Commission has talked about that," said the U.S. official, commenting on enlarging the European stability fund. "It is up to the Europeans. We will certainly support using the IMF in these circumstances." "There are obviously some severe market problems," said the official, speaking on condition of anonymity. [....] The IMF, whose biggest single...