President Biden joked he was once "disappointed" to find out his great-grandfather was not part of a violent group that killed bigoted mine foremen.
The president spoke about his ancestor, Edward Francis Blewitt, during a rally in support of Democratic presidential nominee Vice President Kamala Harris in Pittsburgh on Monday.
"I remember when my great-grandfather was only the second Catholic elected statewide in the state Senate here in Pennsylvania," Biden told the audience. "And I remember they talked about ...