G-20 leaders held their seventh summit in Los Cabos, Mexico, on June 18-19. They pledged to "take all necessary policy measures" to defend the European currency union and shield the region's banks, backing Europe's plans to move toward a more integrated banking industry, according to Canadian Prime Minister Stephen Harper.

Left, a Mexican Navy vessel off the beach at Los Cabos. President Felipe Calderon wants to present Mexico as a reliable, emerging economy with a role to play on the world stage.