One day in 2006, 14-year-old Hannah saw a man in a Mercedes drive past a homeless man, and observed to her dad, Kevin, "If that man had a less nice car, that man there could have a meal." Little did the Salwen family know that, motivated by Hannah, they would soon change their … [Read more...] about Talking to Father/Daughter Authors Kevin and Hannah Salwen About "The Power of Half"