How Can Teenagers Know Everything and Nothing?

Teenagers fool us with their size, vocabulary, and swift mastery of new devices. They seem to be about the right shape to fit into the adult world. They drive cars. They know algebra. So it’s always momentarily shocking to find out that they don’t know how to address an envelope or operate a can opener.

Teenagers know so much and so little at the same time. (Annabel Monaghan)Teens know it all!

My kids are the only people in my house who are as smart as my smart TV. I honestly have to enlist the...