Impeachment of Dilma Rousseff not aware of any negotiations and that he had never met Jaques Wagner, the supposed intermediary in the alleged negotiations with Rousseff. Declaring his opposition to the Workers' Party, he said he would rather forgo their three votes in the Council of Ethics. Professor Leonardo Avritzer of Universidade Federal de Minas Gerais told Agência Brasil in December 2015 that the political crisis was tied to Rousseff's inability to negotiate with Congress, and that Brazil's fragmented political system (and many political parties) had created an ungovernable government. According to him, the opposition confronting Rousseff after the 2014 elections calling for a
Impeachment of Dilma Rousseff Brazilian national petroleum company, Petrobras, on account of allegations uncovered by the Operation Car Wash investigation, and for failing to distance herself from the suspects in that investigation. Rousseff was president of the Petrobras board of directors during the period covered by the investigation, and approved Petrobras' controversial acquisition of the Pasadena Refining System. However, the Petrobras charges were not included in the impeachment because Prosecutor-General Rodrigo Janot successfully argued that a sitting president could not be investigated while in office for crimes committed prior to election. Rousseff was formally impeached on 17 April 2016. On 12 May, the Senate