Retirement planning was simple and predictable 40 years ago. All you needed was your company pension, personal savings, and Social Security. Those days are long gone. Most public pensions are underfunded, and private companies can't get rid of them fast enough. Social Security's own trustees predict it will run out of money in less than 20 years. And most people haven't saved even a fraction of what they should. Retiring comfortably today is not about saving more, it's about saving smart. In , you will learn: