12/18/13 - Why do people overspend, underinvest and make poor life decisions?  Nearly two-million vehicles are repossessed each year.  $57 Billion dollars are invested in state lotteries that have a negative return rate of 80%.  Is this communal stupidity, or are other factors involved that are evolutionary smarts?  On the next Topical Currents we speak with University of Arizona professor Douglas Kenrick, co-author of THE RATIONAL ANIMAL:  How Evolution Made Us Smarter Than We Think.