hand, which is a safety and security of air airports and our city against on misuse of dron drones. the faa says it is working to identify and respond to drone threats, but they say what is really needed is a nationwide system that did tax thought location and presence of a drone and whoever is operating it. talk companies, they have contracts with a dozen airports were about a million dollars a year. their system uses rooftop sensors and radio frequencies to detect drones an unauthorized airspace fear just from a financial aspect, the chaos caused by a drone flying around an airport is equal to roughly $400,000 a minute, a big reason why anti-15 technology is it taking off at airports around the world. sandra: all right. two left wing candidates