The case illustrates the injustice and irrationality of Pennsylvania's "zero tolerance" approach to stoned driving.
Religion can explain a tragedy as God's will, or as karma coming around. But in a secular world, blame is often shifted to parents.
The researchers found no statistically significant relationship between testing positive for THC and contributing to accidents.
What sort of danger does marijuana pose on the road, and what should police do about it?
Benjamin Davis III wasn't issued a ticket or citation. But he says police had his car towed anyway.
If the Navy wants people to trust that it's taking steps to be better, less transparency isn't going to help.
"Marijuana-related" crashes are not necessarily related to marijuana.
Human drivers in other vehicles seem prone to rear-ending Google's robot cars.
Tesla S car runs into a tractor trailer in Florida; still safer than human-driven cars
But all reported accidents are the fault of conventional cars.