term. "Making the recovery sustainable does mean, in my view, avoiding unsustainable imbalances between countries," he said. "It makes sense for countries with large current account deficits to boost exports. It makes sense also for countries with large current account surpluses to increase the demand for goods and services from other countries." Saturday's meeting will lay the framework for a leaders' summit in the U.S. city of Pittsburgh later this month. G7 sources have told Reuters that the G20's communique, due on Saturday, will likely maintain the pledge to keep policy accommodative for as long as was needed. Fixing the banking system is proving more divisive.