Rendell said he is more optimistic about Harris' chances to win Pennsylvania than he was with Biden in the race.
Pennsylvania key battleground as Kamala Harris, Donald Trump prep for Philly showdown
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In Pennsylvania, where Biden was born and spent part of his childhood, former Gov. Ed Rendell said the persistent concerns about Biden’s age from voters in both parties represent a serious challenge.
Biden sees hopeful signs for his reelection in Democrats' 2023 wins. Others in his party are worried
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