WASHINGTON - (AP) - President Barack Obama has signed a six-monthspending bill that cuts more than $38 billion from the currentbudget. The legislation averted a government shutdown and was theresult of intense negotiations between the White House andemboldened Republicans. The House and Senate approved the spending agreement Thursday. With that compromise behind them, the White House and Congressare now plunging into a larger debate over long-term deficits andthe rising national debt. The debt will reach its ceiling of $14.3trillion in mid-May, requiring a vote from Congress to raise thenation's credit limit. Republicans are using the vote as leverage to extract furtherspending reductions from the president. On Friday, he said morereductions were inevitable.