After leaking the Pentagon Papers in 1971, the former military analyst joined the anti-Vietnam War and anti-nuclear movements.

Source: https://www.thepanamanews.com/2023/06/ellsberg-a-champion-of-the-truth-in-service-to-the-cause-of-peace/

And that was actually New York Times v. Sullivan, often to protect, frankly, the Civil Rights movement, or anti-Vietnam protestors saying you can’t just censor speech if it is provocative.

Source: https://www.breitbart.com/clips/2023/01/25/khanna-meta-shouldnt-punish-trump-for-speech-protected-by-the-first-amendment-a-few-billionaires-shouldnt-decide-speech/

It was an anti-Vietnam War protest.

Source: https://www.hcn.org/issues/55.3/people-places-the-90-foot-sentinel-of-butte-montana

Ronnie Dugger, editor of The Texas Observer, addresses an anti-Vietnam War rally in 1969.

Source: https://www.salon.com/2023/03/27/legendary-liberal-magazine-texas-observer-is-closing-and-laying-off-its-staff_partner/

The book discusses the anti-Vietnam War protests that took place at the University in the early 1970s, and even features some Minnesota Daily articles from that time.

Source: https://mndaily.com/277446/arts-entertainment/best-books-and-parks-near-campus/