Delphine Cherry knows as well as anyone how intractable violent crime is in Chicago. In 1992, her teenage daughter was gunned down in one of the city’s toniest neighborhoods — a bystander caught up in a gang shootout. Twenty years later in a suburb just south of the city, it claimed her son.
“You don’t think it’s going to happen twice in your life,” she said.
The nation’s third-largest city has braced for weeks for a National Guard deployment, troops President Donald Trump promised would help fight crime in what he described as a “hellhole.”…