Until recently, most Americans equated the end of a successful career with the beginning of retirement. No more. Now they want to stay in the game (or better, change the game). They want to leave a mark. Make a difference, and continue to make money. From Encore.org, the leading organization in the field, comes a road map to every step of the encore career journey. Here's how to plan the transition. How much you need to make. The pros and cons of...