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Though I'm thrilled with the message that Pennsylvania is leaning our way, can anyone tell me what's wrong with this paragraph?

The NYTimes: With only 72 hours until the polls begin opening, Pennsylvania, with 21 electoral votes, appeared to be trending Mr. Kerry's way, with most but not all opinion surveys showing him ahead by about three percentage points. Mr. Bush has failed to dent the four suburban Philadelphia counties, whose liberal attitudes on social issues like abortion and gun control have overshadowed their economic conservatism.