Those few oldsters who have survived the years of troubles have been taking shots longer than anyone else. The aged were the first of the population to get a steady supply, back in the days when there was still a national health-care policy, and a government to back it up. As they bargain skeptically in their cautious group, they appear blissfully, unnaturally spry. The life-infusing FREE shots have worked absolute wonders on them. Except for a few unavoidable details.