- United States
More informationCBS Radio News’ World News Roundup, America’s longest running newscast, will celebrate 75 years on the air in March 2013. CBS Radio News will honor the momentous occasion with special programs on Tuesday, March 12 and Wednesday, March 13, the program’s
anniversary. They will look at that first broadcast in 1938, its significance at the time and how the Roundup has evolved to remain an important source of information three-quarters of a century later.