"Only about a third of the older people who are working full-time will go straight into retirement.... [Some] paths include gradually reducing their hours, occasional consulting, or finding a new job or an Uber stint that is only part-time. Other people 'unretire,' meaning that they retire temporarily from a full-time job only to decide to return to work for a while. A new study finds that the paths older workers choose are influenced by their personality and by how well they're able to hold the line against the natural cognitive decline that accompanies aging."  MORE >>