The latest mass killing in the United States happened Sunday in Kellogg, Idaho, where a 31-year-old man was detained at the scene of a shooting that left four people dead inside a residence. The mass shooting was part of a spate of gun violence over the weekend that killed and wounded people across the U.S., including at least 60 shot in the Chicago area alone. The Idaho shooting is the country’s 27th mass killing of 2023 in which four or more people died, not including the assailant, within a 24-hour period, according to a database maintained by The Associated Press...