El Paso area leaders gathered Friday evening at a news conference to express their solidarity with Dallas after five law enforcement officers were killed and six others were injured in a sniper attack. El Paso County Sheriff Richard Wiles offered condolences, while state, county, and city officials discussed the attack’s impact on the country, Texas, and El Paso. But it was a comment made by El Paso’s African-American Police Chief Greg Allen after the news conference that drew the most attention. Though Allen was laconic and vague in most of his answers to the press, he opened up when it came...