A Question--and an Answer

A few days ago I spoke with a group of wonderful high school students in Pittsburgh, the morning after participating in a conference at the Carnegie Museum.  After I flew back home, I began to sort through the remainder of the girls' questions. With nearly 300 girls present, I wasn't able to answer all their questions, so the girls had written them out on notecards, while others simply raised their hands.

Later on, these notecards proved so much fun to read through, since I had asked the...