All it takes to render the technology-packed self-driving cars inoperable is a traffic cone and in San Francisco, protesters opposed to driverless vehicles are using cones as a weapon. The backstory: ...

Two people dressed in dark colors and wearing masks dart into a busy street on a hill in San Francisco. One of them hauls a big orange traffic cone. They sprint toward a driverless car and quickly set ...

Self-driving cars are everywhere in San Francisco. Some opponents are fighting back by using traffic cones to disable the robo-taxis. Driverless cars now roam San Francisco any time of day or night, ...