Phil Yu was not surprised that a white gunman killed eight people, six of them Asian women, at Atlanta-area spas advertising their "Asian" or "international" staff. The worst thought he had on Wednesday, the day after the massacre, was just that, he said — he had seen it coming. “Being Asian in this country, no matter how long you’ve been here or how you got here, often feels like a constant negotiation of feeling unwelcome," said Yu, a blogger and commentator in Southern California who posts as Angry Asian Man. Many Asian Americans are bristling with pain and fury, seeing...