I'm doing a masters in law <a href=" http://airgallery.org/buy-ciprofloxacin-500mg-uk.pdf#shoemaker ">buy ciprofloxacin online overnight shipping </a>    The shift in retirement expectations coincides with a growing trend of later-life work. Labor force participation of seniors fell for a half-century after the advent of Social Security, but began picking up in the late 1990s. Older adults are now the fastest-growing segment of the American workforce; people 55 and up are forecast to make up one-fourth of the civilian labor force by 2020.