Talk to student protesters across the country, and their outrage is clear: They have been galvanized by the scale of death and destruction in the Gaza Strip, and will risk arrest to fight for the Palestinian cause. For most of them, the war is taking place in a land they’ve never set foot in, where those killed — 34,000 so far, according to local health authorities — are known to them only through what they have read or seen online. But for many, the issues are closer to home, and at the same ti