CIENFUEGOS, CUBA - DECEMBER 21: President of Venezuela Hugo Chavez gives a speech during the closing session of the 4th PetroCaribe Summit in the Camilo Cienfuegos refinery December 21, 2007 in Cienfuegos, Cuba. The Heads of State and Government of the 16 member nations of the Energy Cooperation Agreement are expected to participate in the debates and the re-inauguration of the first stage of the Camilo Cienfuegos Oil Refinery that was refurbished by Venezuelan state oil company PDVSA. (Photo by Sven Creutzmann/Mambo photo/Getty Images)Sven Creutzmann/Mambo Photo/Getty Images