A shroud of black mesh fence closed around the bright marble colonnades of the U.S. Capitol campus. The twelve‐foot barrier, topped with razor wire and guarded by troops in combat fatigues with flak vests and long rifles, had sprung up to secure the seat of government after it was overrun by a mob of Trump’s supporters trying to stop the formal certification of his electoral defeat. Whether the fortifications were too much or too little, they were clearly too late. Their effect now was to sever the federal office buildings from the adjacent neighborhood of Capitol Hill, a picturesque historic district of low, colorful row homes. In the basement of one of these townhouses, Stephen K. Bannon was about to take to the airwaves.