After one caucus and two primaries, there have been three Republican winners--or a whole field of losers, depending on how you see it. After Romney's victory in Michigan, he, Huckabee and McCain are on to South Carolina where Thompson awaits while Giuliani looks on from Florida. We update the Republican contest and look at what more and more evidence shows is becoming the dominant issue: the economy. Do voters blame President Bush and Republicans? Do they have confidence in the Democrats? What are the candidates saying?