I was teaching class when Christina walked in, a little frazzled, and quite sorry for being late. She is rarely late. She quickly explained why she was tardy: There had been a car accident on Greenspring Valley Road, and the police had shut it down for a bit. No one could get by. “It’s scary, and it shakes you up,” she said. The members in the class agreed. And then we began to speculate. Could the accident have been a result of texting and driving? Driving and texting don’t mix, just like cocktails and driving don’t mix either. No matter what, driving and not paying attention to the road due…