In 1998, at the ripe age of 74, former President Jimmy Carter put some of his thoughts about getting older to paper. “The virtues of aging,” Carter wrote in a book that year, “include both the blessings that come to us as we grow older and what we have to offer that might be beneficial to others.

He wheeled onto the sleepy, two-lane state highway that wriggles south of here along the Kinchafoonee Creek, half a dozen miles across the countryside from Jimmy Carter's childhood home. Two of Davis' three sons,

Jimmy Carter's 100th birthday on Oct. 1 is a reminder of the record-setting life he's lived. Though he is the longest-living president by a long shot, a few other leaders enjoyed long lives after the