The world's wealthiest people didn't get rich by accident. Whether by smart investment, sharp business intuition, or a combination of talent, grit and circumstance, billionaires have done something right. Or they had a whole lot of luck-a crap-load of it.Tag is the son of a billionaire, who's never had to work a day in his life. He has everything he's ever wanted, that is, until one night during a party at his lake house when a chance encounter with...