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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165 art shows you can watch right now (no membership required!)

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Learn more 'Secrets of the Dead' this summer

Explore some iconic historical moments while debunking long-held myths and shining new light on past events. Advances in investigative techniques, forensic science and historical scholarship offer new evidence on forgotten mysteries.

159 science documentaries you can watch right now (no membership required)

Nova Wonders "What's the Universe Made Of"

Is your brain is in desperate need of something enriching? Good news. We’ve got you covered. Below is a list of 161 of the best science documentaries and web series out there. All of these shows are available to watch right now without a membership.