Clenched-fist troublemakers will use any mass gathering as an excuse to undermine civil society. Social media and the irresistible lure of virality have only strengthened their incentive to "FSU" (f--- s--- up). Here's another thing you can take to the bank: "Mainstream" protesters on the streets of D.C. will look the other way at these lawless vandals who leech onto any available cause. Their common goal is not "social justice." It's destabilization and disorder.