Tiny Guinea-Bissau has become a base for cocaine trafficking between Latin America and Europe, and officials seem helpless to stop it
El Universal / ZUMA
Mexican President Felipe Calderon, left, shakes hands with Brazilian President Luiz Inacio Lula da Silva at the inauguration of the Summit of Unity of Latin America and the Caribbean in Cancun in February
Silvia Izquierdo / AP
Pope Benedict XVI descends from a plane after arriving to the air base in Sao Paulo, Wednesday, May 9, 2007, in his first trip as pontiff to Latin America.
Gregario Borgia / AP
Pope Benedict XVI waves to the crowd during his weekly general audience in St. Peter's Square at the Vatican, May 2, 2007. The Pope urged prayers of support for his trip to Brazil next week, his first pilgrimage to Latin America.