Terrorists don't have to cross borders to carry out attacks

Despite massive disruption in this country and around the world, President Trump is battling in court for his travel ban to be reinstated.  But would it be effective? 

A monthly reality-check on the issues Americans care about most. Host Warren Olney draws on his decades of experience to explore the people and issues shaping – and disrupting - our world. How did everything change so fast? Where are we headed? The conversations are informal, edgy and always informative. If Warren's asking, you want to know the answer.