Was working on a twitter thread about this, but it got derailed due to some household drama, so I'll type everything here.
Ed Ansin, in my mind, deserves to be mentioned in the same breath as Al Primo, Roone Arledge, and Ted Turner. His stations were that revolutionary and influential, and a lot of people don't know it.
In my opinion, local news has three "mother formats". The first is Primo's Eyewitness News (specifically the version perfected at WABC New York). The second is the WPVI Action News format. The third was Ansin's "News Station" format pioneered in Miam