Nearing retirement - and surviving on food stamps  More than 12
million Americans are still unemployed and a lot of them depend
on food stamps. But even with that assistance, CBS News
correspondent Elaine Quijano tells us many are struggling to get
by.  Sixty-four-year-old John Manton can't afford to keep his
refrigerator full these days.  "I have my bread and a piece of
ham from a canned ham," he said.  He's still looking for work
nine months after he was laid off from his job as a courier for
a Philadelphia legal service. He's fallen out of the middle
class and into poverty, and is barely making ends meet.  At a
grocery store, Quijano asked Manton: "How strict are you with
your budget?"  "I have to be very frugal, very frugal," he said.
"It is the only way that I can survive."  A college graduate,
Manton never imagined he would be grateful for the $149 he gets
in food stamps every month. He stretches every dollar by using a
calculator when he shops and skipping meals.  John Manton, 64,
of Philadelphia uses