Dilma Rousseff run for president. She was elected in a run-off on 31 October 2010, beating Brazilian Social Democracy Party (PSDB) candidate José Serra. On 26 October 2014 she won a narrow second-round victory over Aécio Neves, also of the PSDB. Impeachment proceedings against Rousseff began in the Chamber of Deputies on 3 December 2015. On 12 May 2016, the Senate of Brazil suspended President Rousseff's powers and duties for up to six months or until the Senate decided whether to remove her from office or to acquit her. Vice President Michel Temer assumed her powers and duties as Acting President of
Dilma Rousseff the Institute of Social and Political Studies () linked to the only legalized opposition party, the Democratic Movement (MDB). Even though she was not affiliated with the party, Rousseff organized debates at the institute, which received lectures from scholars such as Francisco de Oliveira, Fernando Henrique Cardoso, and Francisco Weffort. In 1976, Rousseff and Araújo worked for the campaign of Glênio Peres, a MDB candidate for the city council. Although he was elected, Peres' term was revoked for denouncing the regime's torture in a speech. In November 1977, Rousseff was reported by the newspaper "O Estado de S. Paulo" as