Pro-Palestinian demonstrators have taken over parts of college campuses across the U.S., the latest in a decades-long string of protests ignited by political activism — some of which have spiraled into violence amid police crackdowns.
In the past, free speech sit-ins quickly escalated into massive rallies, Vietnam War college demonstrations turned deadly and U.S. civil rights protests ended in mass arrests.
The circumstances of each protest were different, but the story is familiar: Young people demanded changes on their campuses or in the world — and their impassioned demonstrations…
