Here's the video of that panel discussion: https://archive.org/details/XD1941_10_95VannevarBushSymTape1...

and the entire Symposium: https://archive.org/search.php?query=%221995%20Vannevar%20Bu...

Edit: The Doug Engelbart Institute has some more info on the event http://www.dougengelbart.org/events/vannevar-bush-symposium....