"'Sesame Street's' genius lies in finding gentle ways to talk about hard things - death, divorce, dan..." — Nancy Gibbs

It's hard to think of any tool, any instrument, any object in history with which so many developed so close a relationship so quickly as we have with our phones.

Pour a liquid out of its container, and it changes shape, fills the space you give it. If you give children a lot of space, it may surprise you where they'll go and the shape they'll take.

What is it about summer that makes children grow? We feed and water them more. They do get more sun, but that probably doesn't matter as much as the book they read or the rule they broke that taught them something they couldn't have learned any other way.

Hillary Clinton wants to leave behind No Child Left Behind.