you thought the hardest part about saving for retirement was figuring out the best place to invest your money? here's another head-scratcher: what to do with your 401(k) when you leave your job.

superstars get a lot of attention from bosses. but bad apples deserve even more. a growing body of research suggests that having just a few nasty, lazy or incompetent characters around can ruin the performance of a team or an entire organization—no matter how stellar the other employees. bad apples distract and drag down everyone, and their destructive behaviors, such as anger, ... More