2007, Stephen L. Vaughn, Encyclopedia of American Journalism:
Public radio became “must listening” for Washington politicos.
2011, John Lewis, Radio Master:
Husing's description of the finish is absolute must-listening for any aspiring broadcast student.
2022, David Gergen, Hearts Touched with Fire: How Great Leaders are Made, page 169:
When radio became king, FDR was not the only one to seize upon its power. In the Midwest, a Catholic priest, Father Coughlin, had a Saturday afternoon radio show that spewed out anti-Semitism and fascism. It became must listening for huge segments of the population: […]
