2010 Elections Marina Silva

Presidential candidate Marina Silva of the Green Party speaks during a press conference with foreign media correspondents, Rio de Janeiro, Brazil, August 20, 2010. Brazil will hold presidential elections on October 3. (Austral Foto/Renzo Gostoli)

Presidential candidate Marina Silva of the Green Party speaks during a press conference with foreign media correspondents, Rio de Janeiro, Brazil, August 20, 2010. Brazil will hold presidential elections on October 3. (Austral Foto/Renzo Gostoli)

Presidential candidate Marina Silva of the Green Party speaks during a press conference with foreign media correspondents, Rio de Janeiro, Brazil, August 20, 2010. Brazil will hold presidential elections on October 3. (Austral Foto/Renzo Gostoli)

Presidential candidate Marina Silva of the Green Party speaks during a press conference with foreign media correspondents, Rio de Janeiro, Brazil, August 20, 2010. Brazil will hold presidential elections on October 3. (Austral Foto/Renzo Gostoli)

Presidential candidate Marina Silva of the Green Party speaks during a press conference with foreign media correspondents, Rio de Janeiro, Brazil, August 20, 2010. Brazil will hold presidential elections on October 3. (Austral Foto/Renzo Gostoli)

Presidential candidate Marina Silva, left, of the Green Party speaks during a press conference with foreign media correspondents, Rio de Janeiro, Brazil, August 20, 2010. Brazil will hold presidential elections on October 3. (Austral Foto/Renzo Gostoli)

Presidential candidate Marina Silva, center, of the Green Party speaks between Mery Galanternik, left, and Alfredo Sirkis (right), one of founders of Green Party, during a press conference with foreign media correspondents, Rio de Janeiro, Brazil, August 20, 2010. Brazil will hold presidential elections on October 3. (Austral Foto/Renzo Gostoli)

Presidential candidate Marina Silva of the Green Party speaks during a press conference with foreign media correspondents, Rio de Janeiro, Brazil, August 20, 2010. Brazil will hold presidential elections on October 3. (Austral Foto/Renzo Gostoli)

Presidential candidate Marina Silva of the Green Party speaks during a press conference with foreign media correspondents, Rio de Janeiro, Brazil, August 20, 2010. In the back Alfredo Sirkis, one of founder of Green Party. Brazil will hold presidential elections on October 3. (Austral Foto/Renzo Gostoli)

Presidential candidate Marina Silva, center, of the Green Party speaks between Mery Galanternik, left, and Alfredo Sirkis (right), one of founders of Green Party, during a press conference with foreign media correspondents, Rio de Janeiro, Brazil, August 20, 2010. Brazil will hold presidential elections on October 3.. (Austral Foto/Renzo Gostoli)

Presidential candidate Marina Silva, left, of the Green Party speaks during a press conference with foreign media correspondents, Rio de Janeiro, Brazil, August 20, 2010. In the back Alfredo Sirkis, one of founders of Green Party. Brazil will hold presidential elections on October 3. (Austral Foto/Renzo Gostoli)