A Chicago man featured in a CNN documentary about the Windy City — talking about gang violence — was shot dead at the age of 22. Lee McCullum was featured in a 2014 episode of “Chicagoland" that focused in part on his desire to leave the high-crime Roseland neighborhood and go to college. He was previously pulled by gang affiliation, he said, but was eventually named to the honor roll and crowned prom king at his high school. The young man was found dead early Thursday morning with a gunshot wound to the head in the neighborhood just south of...