Pennsylvania Primary Voting Begins
April 22, 2008, 7:35 AM
Hillary Rodham Clinton and Barack Obama will make the rounds of the morning talk shows, as voting begins in the crucial Pennsylvania primary.
Late polling shows Clinton with a single digit lead, after being ahead by 20 points or more in earlier surveys. Obama says Clinton probably will win but the contest may be closer than a lot of people think.
Obama tried to close out the campaign on a positive note, shying away from criticizing Clinton in his final appearances last night.
At one stop, Obama even mentioned a new Clinton ad that includes Osama bin Laden, calling that "a legitimate issue." The terrorist leader is seen along with images of the stock market crash, the bombing at Pearl Harbor, the collapse of the Berlin Wall and Hurricane Katrina.
Obama says his "number one task" if elected would be to keep Americans safe.
Pennsylvania is the largest of the 10 contests remaining, with about 4 million registered Democrats and 158 delegates up for grabs in the primary.
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