4 contested Pa. congressional races shift in Democrats’ favor ahead of midterm battle for control of U.S. House

From Bucks County to the Lehigh Valley, northeastern Pennsylvania and the Harrisburg suburbs, four congressional races are testing whether Republican incumbents nationwide can survive strong headwinds as they fight to keep their seats. The Republicans in those seats are facing robust challenges from well-financed Democrats who are benefitting from one of the biggest blue waves in years. The four Pennsylvania seats Democrats believe they can flip are more than any other state. As Election Day inc...