What to make of security incident at U.S.-run base in England

British police have arrested a 22-year-old man suspected of planning terrorist acts following a security incident at a U.S.-run military base in England. CBS News national security analyst Aaron MacLean shares his takeaways on the incident.

British police have arrested a 22-year-old man suspected of planning terrorist acts following a security incident at a U.S.-run military base in England. CBS News national security analyst Aaron MacLean shares his takeaways on the incident.