If America shows the necessary leadership, and others live up to their responsibilities there is still time to replace the one-engined global economy with a safer model. But if nothing changes, get ready for a crash landing Copyright 2004 The Economist Newspaper and The Economist Group. All rights reserved.If America shows the necessary leadership, and others live up to their responsibilities, there is still time to replace the one-engined global economy with a safer model. But if nothing changes, get ready for a crash landing. Copyright © 2004 The Economist Newspaper and The Economist Group. All rights reserved