Not sure of the origin of this clip. They label it “raw footage” but it appears to be from a show of some sort. Lots of the footage you’ve probably seen a million times. Still an interesting watch.
I don’t think I’d ever seen the press conference question about using nukes to defend Khe Sahn.
Related: What was the network television documentary series on Vietnam that aired in 1985 or so? I remember watching it but have never been able to figure out which one it was.