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.
"Silent Witness" is back with more crimes, detectives, forensics and mystery. Tune in Sundays at 10 p.m., beginning March 24, on Arizona PBS.
Join Mark Tarbell as he takes you inside some of the most interesting places to eat every Thursday night at 7 p.m.
Explore scientific breakthroughs and innovation happening at Arizona State University Wednesdays at 9 p.m., beginning Feb. 13 on Arizona PBS.