(Carlisle) -- The race between President Obama and GOP challenger Mitt Romney is tightening up in the commonwealth as the campaigns buy television ad time and set up events to rally voters.
But many polling places are without power in southeastern Pennsylvania, which could hurt the the President's efforts to win the state.
In the last general election, Mr. Obama won 18 of PA's 67 counties, most of which were located in the southeast.
Jim Hoefler, political science professor at Dickinson College in Carlisle, says these Democratic-leaning counties carry a lot of weight for the President. "They're also highly populated, so not only do you have a lot of votes at stake here, but votes that [Mr.] Obama really needs to make up what's happening in the rest of the state, which is very red for Romney."
Hoefler says winning Pennsylvania's 20 electoral votes is key to the President's re-election effort.
A Department of State spokesman says as of this morning, up to 300 polling places in PA were dark, but expects that number to decrease over the weekend.
There are about 9,300 polling places in Pennsylvania.
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