Do you speak money? You should. It is the world's most important language. It's spoken everywhere. Speaking--or at least understanding--this language allows you to follow the real conversations in politics, business, and at work. Understanding money and speaking the language fluently is critical to preparing for a comfortable retirement, building a small business, planning for college and a career for your children. Everyone speaks it differently, with different dialects. Some are riskier than others. Some want to save their money; others want to see it grow. There is no one accent, but...