Commentary
HARRISBURG, Pennsylvania—Eugene DePasquale and Sean Parnell couldn’t be more different politically. DePasquale is a seasoned statewide-elected official and Democrat from York County, Pennsylvania, while Parnell is a western Pennsylvania Republican newcomer who has never run for office. Yet they share one very important thing this year: They are both challenging incumbent members of Congress in Pennsylvania districts President Donald Trump won in 2016.