Live Results: Pennsylvania midterm congressional primaries

Democratic voters in Tuesday's Pennsylvania primary will pick their nominees to flip four seats seen as critical for the party to retake the U.S. House in November.

Democratic voters in Tuesday's Pennsylvania primary will pick their nominees to flip four seats seen as critical for the party to retake the U.S. House in November.

Democratic voters in Tuesday's Pennsylvania primary will pick their nominees to flip four seats seen as critical for the party to retake the U.S. House in November.