The new Forbes billionaires list just came out. It’s always fun to flip through the names, ages and profiles of the billionaires. I could give you a lot of details about how many more there are than last year, where they’re from, and how much younger they all are. But details like that probably wouldn’t answer your main question: What could you possibly have in common with a billionaire? The answer is pretty exciting. Of all the 946 billionaires in the world, 60 percent made their money from scratch. Think about that. The majority of the world’s billionaires once had...