WASHINGTON - House and Senate Republicans moved Tuesday toward striking a deal that would let the two chambers pass a compromise 2004 budget this week but settle their differences over the size of a tax cut later, aides said. Under the proposal — which still needed sign-offs from many lawmakers and on which some final decisions remained — the budget would let the more conservative House write a tax bill later this year with a deeper tax cut than the more moderate Senate has approved. The two chambers would then have to agree to a common figure before the tax...