At the height of the tensions on US campuses this week, with Republicans gleefully seizing on student unrest as an election issue that could propel Donald Trump back into the White House, Joe Biden tried to steer a middle path. Weighing the democratic right to peaceful protest and the political necessity to stem disruption, Biden declared that “order must prevail”. “Threatening people, intimidating people, instilling fear – none of this is a peaceful protest,” Biden said in a statement on Thursday. “Dissent is essential for democracy … There’s the right to protest. But not the right to cause chaos.” His...