Dear Readers, The modern explosion of social media is both a blessing and a curse to our teachers. It opens all kinds of options, for good or ill, in communicating with their students. Children growing up 50 years ago, lived in a world of playing football, hockey, and baseball on the front lawns of their houses or the streets of the neighborhood. The telephone was for adults and television was three broadcast stations and maybe an independent station or two. Transistor radios were snuck under...