Jack is heading out in Las Vegas. CBS Radio announced it will flip Variety Hits "100.5 Jack-FM" KKJJ Las Vegas to News/Talk "Newsradio 100.5 KXNT" on Monday, August 16. The KXNT programming will continue to be heard on its current home at 840 AM. In the June PPM Monthly, KXNT's 2.5 share outranked KKJJ's 2.3.