Canada's Prime Minister Stephen Harper and his wife Laureen arrive at New Chitose International Airport near Sapporo July 6, 2008, ahead of G8 Hokkaido Toyako Summit. Leaders of the Group of Eight rich nations meet in northern Japan to grapple with a raft of problems from soaring food and fuel prices to African poverty and global warming amid doubts about how much the annual diplomatic pageant can achieve.
REUTERS/Kim Kyung-Hoon (JAPAN)