Incumbent Dilma Rousseff, now trailing top rival Marina Silva in Brazil’s presidential race by 10 percent, went on the offensive in a televised debate, fighting for her job. In the second debate between the main candidates ahead of the October 5 first round vote, Rousseff sought to come off the ropes three days after Brazil entered recession, asking environmentalist Silva how she would finance her some $60 billion of policy commitments. “First, these are not promises, they are commitments,” responded Silva, who served as environment minister under Rousseff’s PT predecessor Luiz Inacio Lula da Silva.