
Al Gore, former U.S. vice president and Nobel Peace Prize winner, gestures during a meeting with Poland's President Lech Kaczynski (unseen) at the Presidential Palace in Warsaw March 12, 2008.
REUTERS/Kacper Pempel (POLAND)

Poland's President Lech Kaczynski (L) listens as Al Gore, former U.S. vice president and Nobel Peace Prize winner, speaks during a meeting at the Presidential Palace in Warsaw, March 12, 2008.
REUTERS/Kacper Pempel (POLAND)