Antifa is a problem only for as long as they permit them to be a problem This problem will continue until Trump designates them as a domestic terrorist organization.  That's when the gloves come off.  It's a perfect opportunity to arrest George Soros for funding them.   As Kavanaugh testified at his confirmation hearings responding to Lindsey Graham, U.S. citizens can be tried as enemy combatants in military courts.  Time to haul in those responsible for organizing, transporting across state lines, paying, and instructing them on tactics during these riots.