The probability of any of us being affected by a tornado, earth quake or other natural disaster is relatively low. That doesn’t mean we shouldn’t prepare for them, though. Wharton school professor Robert Meyer joins us to talk about how we should plan for traumatic events – and why many of us choose to just hope for the best. His new book is called “The Ostrich Paradox: Why We Underprepare for Disasters” (Wharton Digital Press).