I am evidently not old enough at 78 years to watch the video
Goodness, it was a cover of a song by Warren Zevon.
Probably because it has footage from a war documentary in it.
I found a different link though. :)
https://www.youtube.com/watch?v=eZUQ2FdwIyY
I just find it funny how Liberals find Berkeley in the 70's as an equivalent of the Northern Irish Troubles, sort of like Slow Joe here.