Brazil's Prosecutor General Rodrigo Janot takes part in the opening of the Brazil-Japan Seminar on Fighting Corruption, in Brasilia, on June 19, 2017. The opening of an investigation by Rodrigo Janot came close to bringing President Michel Temer down three weeks ago, but the conservative president has since dug in and defied Janot in dramatic fashion by ignoring a deadline to supply a written deposition. / AFP PHOTO / EVARISTO SA (Photo credit should read EVARISTO SA/AFP/Getty Images)