FILE PHOTO: Then-Senator Fernando Collor de Mello, also a former Brazilian president, during a vote session on the impeachment of President Dilma Rousseff in Brasilia, Brazil, May 11, 2016. REUTERS/Ueslei Marcelino/File Photo
FILE PHOTO: Then-Senator Fernando Collor de Mello, also a former Brazilian president, during a vote session on the impeachment of President Dilma Rousseff in Brasilia, Brazil, May 11, 2016. REUTERS/Ueslei Marcelino/File Photo