Members of the Landless Workers Movement (MST) attend a meeting in Brasilia, the capital of Brazil, Aug. 17, 2009, where they demanded 100% nationalization of brazil's oil industry, among other things. Founded in 1985, the Landless Workers Movement is the largest social movement in Latin America and one of the most successful grassroots movements in the world. (Australfoto/Douglas Engle) (Australfoto/Douglas Engle)