Former chief executive Bill Clinton has been campaigning for current President Barack Obama, but Clinton's latest comment on the economy might not help Obama in the November election. As if to prove the point, the Labor Department announced today that American productivity fell by 0.9 percent, slightly more than had been anticipated. Yet, despite high unemployment, low home sales, troubles in Europe and a drop in consumer confidence, the US economy still has strength and resilience. Some economists say the half-empty glass is also half full, as major corporations stop out-sourcing jobs and start bringing them back to America. That doesn't mean there won't be trouble ahead. Economics is still the "dismal science." We hear about some hopeful signs and the importance of government action.