Brazilians will go to the polls on Sunday to decide if President Dilma Rousseff will serve a second term. The most recent poll shows her in the lead against her opponent Marina Silva. But it's still shaping up to a be tight race. Al Jazeera's Gabriel Elizondo reports from Sao Paulo. Subscribe to our channel http://bit.ly/AJSubscribe Follow us on Twitter https://twitter.com/AJEnglish Find us on Facebook https://www.facebook.com/aljazeera Check our website: http://www.aljazeera.com/