Age or Stress? The Graying of Barack Obama

Ronald Reagan swore he had none. George W. Bush had a headful, and so did Bill Clinton -- of gray hairs, that is. Now, President-elect Barack Obama, a day away from taking the nation's most demanding job, already shows a sprinkling of those pesky white streaks in his first official portrait, which was unveiled last week. At 47, Obama is nearly a decade younger than his predecessor when he took the oath of office, and seems too cool and fit to let the looming presidency stress him out. ...Full Story