PITTSBURGH, Pennsylvania — A “We Stand for Israel” flag sat blowing in the wind in front of a Central Northside home, with the blue and white banner serving as a stark contrast to the antisemitic graffiti spray-painted along the brick sidewalk in front of the same home. The graffiti spelled out the Nazi rallying cry, “For Blood and Soil.” The vandalizing, which occurred early Sunday morning and was caught by the family’s Ring camera, is part of a growing aggressive trend of intimidation and threats that Jewish families across the country, as well as students attending what once were considered...