National Security Analyst, ASU Professor talks border security

Peter Bergen, a CNN national security analyst and professor of practice at Arizona State University, says that 17 years after 9/11, the largest terrorist threat comes from lone-wolf attacks. He discusses what some communities are doing to prevent them, and which ones have had the most success. He talks through what leaders can do to prevent attacks without also disrupting social cohesion.

MORE: Explore other episodes of “Innovating the Future”

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Independent Lens: 'Represent'

The Emmy Award-winning anthology series featuring unforgettable people, communities and moments in history returns to Arizona PBS on Mondays at 9 p.m.

Celebrate Halloween with "Exhumed: A History of Zombies"

Go deep into the lore of the zombie throughout American history, examining zombie legends and tales to share what these creatures reveal about shifts in society, history and our deepest anxieties.

Idle gossip gets out of control in 'The Trouble With Maggie Cole'

Maggie Cole, the self-appointed oracle of her close-knit community, makes it her business to know a little bit about everyone’s lives. She certainly doesn’t pay attention to the cautionary adage that "those in glass houses shouldn’t throw stones."