   This is WEEKEND EDITION from NPR News. I'm Scott Simon.  This
week, deadly rioting broke out across Haiti and Egypt, where
rampaging inflation has driven up the price of food. The United
Nations estimates that the cost of food in those countries has
nearly doubled in the last two years.  In Egypt, bread is said
to be so scarce that in some places it is sold behind a
barricaded wall. The 9,000 U.N. peacekeeping troops in Haiti
have been ordered not to fire on civilians while widespread
looting and violence continues.  The G7 met in Washington, D.C.
on Friday to address instability in the global economy, but many
analysts seem skeptical about how effective that group will be
at steadying inflation.  Bettina Luescher is the chief North
American spokeswoman for the United Nations World Food Program
and she joins us from our studios in New York. Bettina, thanks
very much for being with us.  Ms. BETTINA LUESCHER (Chief North
American Spokeswoman, United Nations World Food Program): Thank
you so much for having m