"You are There" was Walter Cronkite with an important event in history. He would interview actors enacting roles at battles, Declaration of Independence, etc.
Too bad we aren't allowed to watch these old programs. Some film deteriorated over time, but it's probably the cost of restoration to profit that's keeping these programs in the can.
You know, you are absolutely right about that now that you mention it. That was in the 50s so I'm pretty foggy about some of my recollections. Thanks for the correction.