Many people approach investing with fear and worry—and it costs them money.   My guest John Jennings is here to change the way you think about investing.    In his new book, The Uncertainty Solution, he outlines mental models to help investors make better decisions in times of uncertainty.   These models will help you approach investing without fear (and have more money in 20 years).   John will also discuss the advantages of his unconventional business structure and the power of learning from failure.