Vanguard's new Retirement Outlook report is a mixed bag. The bad: Baby boomers and Gen X may be in a heap of trouble. The good: The generations coming behind may be in better shape. The report’s analysis is based on a range of historical data from the Federal Reserve Board, the Social Security Administration, and mortality tables from the Society of Actuaries, among other databases. Let's tackle the not-so-good news first. Roughly 6 in 10 Americans are not on track to be financially secure in retiremen ...