Mostly, nothing. Three out of four recognize that the cost of Medicare and Social Security will pose major problems for the country. But a majority would prefer we do nothing about it. From Gallup:
Sure, respondents would prefer to raise taxes than to cut benefits. But even more, they'd prefer to do nothing. It's even worse among adults:
Within the 30-64 range, 80 percent of respondents said the cost of Social Security and Medicare would "create major economic problems" and fewer than half said we should do something about it.