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WITH JUST days to go before the Pennsylvania primary, Sen. Barack obama last night appeared before thousands of roaring supporters in Independence Mall, and pledged to "declare independence" from Washington politics.

Democratic presidential contender counting on a convincing win over rival Barack obama to keep alive her hopes of winning the White House in November

ERIE, Pa., April 18 -- Sen. Barack obama battled rivals on two fronts heading into the final weekend before the Pennsylvania primary, facing ridicule over his toughness from his Democratic rival, Sen. Hillary Rodham clinton, and tangling over the economy with republican Sen. john mccain.

PHILADELPHIA -- Slow R&B music played as the after-work crowd trickled into Warmdaddy's, a South Philadelphia restaurant and jazz club where the hostess wears a square button with Sen. Barack obama's smiling face and two obama '08 placards hang from the window.

CALIFORNIA/HARRISBURG, Pennsylvania (Reuters) - Democratic presidential candidates Barack obama and Hillary clinton accused each other on Saturday of waging negative campaigns as they sped across Pennsylvania before next week's potentially make-or-break primary election.

Clinton supporter claims GOP to link obama to fringe org. if nominated.

As the Pennsylvania primary approaches, Hillary clinton and Barack obama have both adopted a TV ad saturation strategy. The ad barrage began with warm and fuzzy spots, but recently, both candidates have begun focusing on the other's public gaffes.

AP - Finally for the Democrats, the homestretch.

Many voters have already weighed in. But with potentially decisive primaries this month and next, NEWSWEEK asked surrogates on each side to sway the undecideds.

Hillary clinton, Barack obama press for advantage in final weekend of pivotal primary campaign