Barack Obama (web|news|bio) 's "On Track For Change" train tour across Pennsylvania rolled through the midstate Saturday night.
Obama and Pennsylvania Senator Bob Casey were greeted by thousands at the State Capitol Complex.
Senator Obama spent much of his speech focused on issues such as education, health care, and the war in Iraq (web|news), but he did take a few swipes at his opponent, Senator Hillary Clinton.
Obama has been chipping away at Clinton's lead in polls taken in the days leading up to the April 22 Pennsylvania Primary.
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