Mensalão scandal funneled through an advertising agency owned by Marcos Valério. The investigation has since uncovered members of the Brazilian Social Democracy Party, DEM, Brazilian Democratic Movement Party and seven other political parties also involved. Many key advisers to Lula resigned, and several deputies were faced with the choice of resignation or expulsion from congress, though the president himself went on to be re-elected in 2006, and in 2010 Brazil elected his chief of staff, Dilma Rousseff, as president. Much of PT's leadership was affected in some way, with many resigning or failing to win re-election. Brazil's economy was widely perceived as
Dilma Rousseff election was also a cause of friction among the two parties. They ended up launching each own a different candidate; PDT's was Collares and PT's was Tarso Genro. Rousseff defended the maintenance of the alliance which had elected Dutra, supporting Genro's candidacy, and claiming she would not accept "neoliberal alliances with the right-wing". Her critics said that she was being hypocritical, once she defended an alliance with Marchezan in the 1986 election. Genro defeated Collares in the second round and Rousseff, among other fellow PDT members, joined the Workers' Party. Brizola accused them of being traitors. During Rousseff's management of