Let's look at the "new" formats since block programming died with the advent of television in the post-WW II decade. In other words, in the last 70 to 75 years... three quarters of a century.
- All news. First one in the US was Extra News Over Los Angeles done by McLendon in about 1960. "Domesticated" in the late 60's in New York and LA.
News/Talk/Sports
www1.udel.edu
"Domesticated". Interesting choice of verb.