Venezuelan President Hugo Chavez proclaimed to activists at the World Social Forum Sunday in Brazil, that "socialism is not dead" and announced an "agrarian revolution" in his country with the seizure of 20 million hectares (49.3 million acres). Mr. Chavez visited Lagoa dos Juncos, a ranch belonging to the MST Brazilian Landless Movement in Tapes, some 110 miles from Porto Alegre where the World Social Forum is being held. Lagoa dos Juncos is a farm which is considered a model cooperative by the MST. "For those who say that socialism is dead, here we have people proving that it did...