If you're so smart, why aren't you rich? Although money and mental muscles may seem a natural match, brains, alas, may be more hindrance than help when it comes to getting rich, concludes a new study in the journal Intelligence."It is still not well understood why some people are rich and others are poor," writes study author Jay Zagorsky of Ohio State University. "Luck, timing, parents, choice of spouse and many other factors play important roles in shaping an individual's circumstances," he...