On the way home from school yesterday my son asked, 'Daddy, do you know what a foul is?' Jack's school is 40 minutes from home, so many of our conversations with him occur while in transit. Topics range from the color of the sky to what he and is best friend, Drew, worked on that day. Literally, he's all over the map. Yesterday, Jack was quiet, but thoughtful quiet, the kind that says, 'I'm working out the Pythagorean theorem here,' not the 'I'm just waiting for you to look away so I can pick my nose' kind.