In an attempt to show the U.S. government that the influx of illegal entrants has become an epidemic, KNST-AM did what is in nearly every radio station's nature: It staged a stunt. At 7 a.m. Friday, about 150 people – most of them elderly, almost all of them white – joined talk-radio host Dave Skyler in the station's parking lot to create a "human welcome mat," a tongue-in-cheek message that didn't seem to extend a warm hand to illegal entrants. "I'm tired of no one listening (to us) that we have a border problem," said Claudia Hester, 54. People started...