To be effective, however, this agency needs clearer powers, says David Fleischer, who heads the Brazilian chapter of Transparency International, an anti-corruption group.

ECONOMIST: Brazil

PT, says David Fleischer, a professor of politics at Brasilia University.

ECONOMIST: Brazil��s opposition: A party in search of the voters | The

David Fleischer, a political scientist at Brasilia University, reckons that a President Lula could win over 309 deputies in the 513-seat lower house and 48 of 81 senators.

ECONOMIST: Brazil's presidential election