CARNEGIE, PA - MARCH 13: Conor Lamb, Democratic congressional candidate for Pennsylvania's 18th district, speaks to reporters after escorting his grandmother Barbara Lamb to her polling station at Our Lady of Victor...

CARNEGIE, PA - MARCH 13: Conor Lamb, Democratic congressional candidate for Pennsylvania's 18th district, speaks to reporters after escorting his grandmother Barbara Lamb to her polling station at Our Lady of Victory Church, March 13, 2018 in Carnegie, Pennsylvania. Voters head to the polls today as Lamb is running in a tight race for the vacated seat of Rep. Tim Murphy (R-PA) against Republican candidate Rick Saccone. (Photo by Drew Angerer/Getty Images)

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