Children's book author Kat Kronenberg dares us to dream big. After losing both her brother and sister to heart arrhythmias, Kat was at a symphony when, as she says, something whacked her over the head and she decided to write a book about the power of a smile in people's lives. Since then she's become a best selling author, and she's not close to done. So bring your smile and let's listen to what she has to share with us.