 So you saved a lot for retirement and have a sizable 401k in IRA as a result. So we say congratulations to you. But having that fat balance may put you in a higher tax bracket as you approach the age of those pesky RMDs, the required minimum distributions. Oh, you don't know about that? Well, Mike's going to tell you about that. I want to get to this because I saw this by the Federal Reserve and they said that the richest Americans may not have saved.