Charlie Maglio, a retired security guard who lives in Greenacres, has grown accustomed to Social Security benefits that don't seem to rise in line with his cost of living. "Living expenses go up, but our Social Security checks don't go up," Maglio said. "People like to get a raise every once in a while." There's no raise on the horizon, however, as rising health care costs threaten to negate a planned increase in Social Security payments that would be the first in two years. The federal government projects a small cost-of-living adjustment for Social Security benefits next year, the first...