Its becoming more clear that isis is connected to the attack. President barack obama addressed that at a summit in canada. They are going to be defeated in syria, they are going to be defeated in iraq and they are going to be on the run wherever they hide and we will not rest until we have dismantled these networks of hate that have an impact on the entire civilized world. The death toll from the airport attack now stands at 42 tonight. That number could rise. As families gather outside a morgue near the istanbul airport waiting for new names to be added to the list of victims who have already been identified. The istanbul airport attack is affecting travelers here at home. Bruce johnson has bruce leshan has that part of the story for us. Reporter new tactics, new responses, federal Homeland Security officials tell me they are adapting to the changing Threat Landscape heavily armed Airports Police patrolling the terminal at Reagan Washington National to deter terrorists and ease the fe