John Francis Cahlan, a native Nevadan, worked as the editor of the Las Vegas Review-Journal. He also worked to support education and preserve Nevada history, advocating for the establishment of the Nevada State Archives. He was born in Reno, Nevada in 1902, and attended the University of Nevada, earning a degree in journalism in 1926, and worked for the Nevada State Journal.

KDWN (720 kHz) is a commercial AM and FM radio station in Las Vegas, Nevada, owned and operated by Beasley Broadcast Group. The station pronounces its call letters as "K-Dawn." The station's studios are located in the unincorporated Clark County area of Spring Valley. Its transmitter is on Galleria Drive in Henderson. Programming is simulcast on 250-watt FM translator station K268CS at 101.5 MHz. KDWN airs a talk radio format. It runs several nationally syndicated conservative talk hosts, along with local shows, most of which are brokered programming.