New security advisor O'Brien may want to revisit need for a cyber coordinator

Robert O'Brien, the new White House national security advisor, immediately faces critical decisions on Iran that could involve offensive cyber actions, but whenever he emerges from crisis mode, he may want to reconsider the structural approach to cybersecurity put in place by his predecessor John Bolton.

Bolton was not steeped in cyber policy when he took the job and neither is O'Brien, a special hostage negotiator for the Trump administration and former State Department official. He is an attorney and...