Curt and Debbie Havens’ ranch style home is the gathering place for their family. Their two boys grew up playing in the streets in this quiet neighborhood in West Virginia’s northern panhandle. Now, their grandchildren do the same. “They played ball, all kinds of games,” Debbie recalled during a recent interview. Family photos and knick-knacks line the walls. One heart-shaped sign reads “May love be the heart of this home.” “Everybody wants to come to grammy’s and pappy’s,” she added. Chester, West Virginia, is a small town of about 3,000 people, just a stone’s throw from Pennsylvania to the east...