In this diverse, changing suburb, liberal Jews are struggling to understand their Hasidic neighbors
Sometimes, when Katrina Hertzberg sees a visibly Jewish person in her neighborhood in Nyack, N.Y. — a woman wearing a wig, say, or a man in a black suit and hat — she thinks to herself, “Oh my God, are we next?” She wonders whether her area of Rockland County, N.Y., is next to receive…