A few months ago, The Conference Board reported the finding that the sheer number of workers aged 55 or older who love their jobs is stunningly high compared to younger generations. Warren Buffett, 95, knows that sweet feeling of job satisfaction many older workers experience and how hard it is to let go of. Buffett is stepping down from his duties as Chairman and CEO of Berkshire Hathaway (BRK-B, BRK-A) at the end of the year. In a letter to shareholders published on Monday, he announced that he would n ...