You've likely seen the quote before, but if you haven't: "Never doubt that a small group of thoughtful, committed individuals can change the world. In fact, it's the only thing that ever has." It's by late American anthropologist Margaret Mead, who pointed out that even history-defining social movements (like women getting the right to vote, or the end of apartheid) had to start somewhere. A straightforward premise, maybe — but how it applies to the globe's growing Palestinian solidarity demonstrations is up for debate. "It's always very hard to make a crystal-clear causal connection between a demonstration and the effect...