Brazil's former president Michel Temer (L) is seen at Guarulhos airport in Sao Paulo, Brazil March 21, 2019 REUTERS/Amanda Perobelli TPX IMAGES OF THE DAY 

Brazil's former president Michel Temer (2nd L) is seen at Guarulhos airport in Sao Paulo, Brazil March 21, 2019 REUTERS/Amanda Perobelli 

Brazil's former president Michel Temer (L) is seen at Guarulhos airport in Sao Paulo, Brazil March 21, 2019 REUTERS/Amanda Perobelli 

Brazil's former president Michel Temer (L) is seen at Guarulhos airport in Sao Paulo, Brazil March 21, 2019 REUTERS/Amanda Perobelli 

An official photograph of former Brazilian President Michel Temer is displayed in the office of the Presidential Palace in Brasilia, Brazil January 2, 2018. REUTERS/Adriano Machado 

An official photograph of former Brazilian President Michel Temer is displayed in the office of the Presidential Palace in Brasilia, Brazil January 2, 2018. REUTERS/Adriano Machado 

Brazil's new President Jair Bolsonaro gestures after receiving the presidential sash from outgoing President Michel Temer at the Planalto Palace, in Brasilia, Brazil January 1, 2019. REUTERS/Sergio Moraes TPX IMAGES OF THE DAY 

Outgoing President Michel Temer and his wife Marcela Temer await Brazil's new President Jair Bolsonaro at the Planalto Palace, in Brasilia, Brazil January 1, 2019. REUTERS/Ueslei Marcelino 

Outgoing President Michel Temer and his wife Marcela Temer await Brazil's new President Jair Bolsonaro at the Planalto Palace, in Brasilia, Brazil January 1, 2019. REUTERS/Ueslei Marcelino 

Outgoing President Michel Temer and his wife Marcela Temer await Brazil's new President Jair Bolsonaro at the Planalto Palace, in Brasilia, Brazil January 1, 2019. REUTERS/Ueslei Marcelino 

Outgoing President Michel Temer awaits Brazil's new President Jair Bolsonaro at the Planalto Palace, in Brasilia, Brazil January 1, 2019. REUTERS/Ueslei Marcelino 

Outgoing President Michel Temer awaits Brazil's new President Jair Bolsonaro at the Planalto Palace, in Brasilia, Brazil January 1, 2019. REUTERS/Ueslei Marcelino 

Outgoing President Michel Temer and his wife Marcela Temer await Brazil's new President Jair Bolsonaro at the Planalto Palace, in Brasilia, Brazil January 1, 2019. REUTERS/Ueslei Marcelino 

Outgoing President Michel Temer hugs Brazil's new President Jair Bolsonaro as he arrives at the Planalto Palace, in Brasilia, Brazil January 1, 2019. REUTERS/Ueslei Marcelino 

Brazil's new President Jair Bolsonaro gestures after receiving the presidential sash from outgoing President Michel Temer at the Planalto Palace, in Brasilia, Brazil January 1, 2019. REUTERS/Sergio Moraes 

Brazil's new President Jair Bolsonaro gestures after receiving the presidential sash from outgoing President Michel Temer at the Planalto Palace, in Brasilia, Brazil January 1, 2019. REUTERS/Sergio Moraes 

Brazil's new President Jair Bolsonaro gestures after receiving the presidential sash from outgoing President Michel Temer at the Planalto Palace, in Brasilia, Brazil January 1, 2019. REUTERS/Sergio Moraes 

Brazil's new President Jair Bolsonaro hugs outgoing President Michel Temer at the Planalto Palace, in Brasilia, Brazil January 1, 2019. REUTERS/Sergio Moraes 

Brazil's new President Jair Bolsonaro gestures as his wife, Michelle Bolsonaro, addresses the crowd, after receiving the presidential sash from outgoing President Michel Temer at the Planalto Palace, in Brasilia, Brazil January 1, 2019. REUTERS/Sergio Moraes 

Brazil's new President Jair Bolsonaro gestures as his wife, Michelle Bolsonaro, addresses the crowd, after receiving the presidential sash from outgoing President Michel Temer at the Planalto Palace, in Brasilia, Brazil January 1, 2019. REUTERS/Sergio Moraes 

Brazil's new President Jair Bolsonaro and outgoing President Michel Temer shake hands at the Planalto Palace, in Brasilia, Brazil January 1, 2019. REUTERS/Sergio Moraes 

Brazil's new President Jair Bolsonaro receives the presidential sash from outgoing President Michel Temer at the Planalto Palace, in Brasilia, Brazil January 1, 2019. REUTERS/Sergio Moraes 

Brazil's new President Jair Bolsonaro gestures as he addresses the crowd after receiving the presidential sash from outgoing President Michel Temer at the Planalto Palace, in Brasilia, Brazil January 1, 2019. REUTERS/Sergio Moraes 

Brazil's new President Jair Bolsonaro receives the presidential sash from outgoing President Michel Temer at the Planalto Palace, in Brasilia, Brazil January 1, 2019. REUTERS/Sergio Moraes 

Brazil's new President Jair Bolsonaro receives the presidential sash from outgoing President Michel Temer at the Planalto Palace, in Brasilia, Brazil January 1, 2019. REUTERS/Sergio Moraes 

Outgoing President Michel Temer greets Brazil's new President Jair Bolsonaro at the Planalto Palace after his swearing-in ceremony, in Brasilia, Brazil January 1, 2019. REUTERS/Ricardo Moraes 

Outgoing President Michel Temer waves as he awaits Brazil's new President Jair Bolsonaro at the Planalto Palace, in Brasilia, Brazil January 1, 2019. REUTERS/Ueslei Marcelino 

Outgoing President Michel Temer and his wife Marcela Temer await Brazil's new President Jair Bolsonaro at the Planalto Palace, in Brasilia, Brazil January 1, 2019. REUTERS/Ueslei Marcelino 

Outgoing President Michel Temer waves as he awaits Brazil's new President Jair Bolsonaro at the Planalto Palace, in Brasilia, Brazil January 1, 2019. REUTERS/Ueslei Marcelino 

Outgoing President Michel Temer and his wife, Marcela Temer, wait for Brazil's new President Jair Bolsonaro at the Planalto Palace, in Brasilia, Brazil January 1, 2019. REUTERS/Ueslei Marcelino 

Outgoing President Michel Temer waves as he awaits Brazil's new President Jair Bolsonaro at the Planalto Palace, in Brasilia, Brazil January 1, 2019. REUTERS/Ueslei Marcelino 

Outgoing President Michel Temer awaits Brazil's new President Jair Bolsonaro at the Planalto Palace, in Brasilia, Brazil January 1, 2019. REUTERS/Ueslei Marcelino 

Outgoing President Michel Temer and his wife, Marcela Temer, wait for Brazil's new President Jair Bolsonaro at the Planalto Palace, in Brasilia, Brazil January 1, 2019. REUTERS/Ueslei Marcelino 

Brazil's President Michel Temer makes declarations to the media after partipating in a Mercosur trade bloc summit in Montevideo, Uruguay December 18, 2018. REUTERS/Mariana Greif 

Brazil's President Michel Temer participates in a Mercosur trade bloc summit in Montevideo, Uruguay December 18, 2018. REUTERS/Andres Stapff 

Brazil's President Michel Temer participates in a Mercosur trade bloc summit in Montevideo, Uruguay December 18, 2018. REUTERS/Mariana Greif 

Argentine's President Mauricio Macri, Brazil's President Michel Temer, Bolivia's President Evo Morales, Paraguay's President Mario Abdo Benitez and Uruguay's President Tabare Vazquez participate in a Mercosur trade bloc summit in Montevideo, Uruguay December 18, 2018. REUTERS/Mariana Greif 

Brazil's President Michel Temer participates in a Mercosur trade bloc summit in Montevideo, Uruguay December 18, 2018. REUTERS/Andres Stapff 

Uruguay's President Tabare Vazquez and Bolivia's President Evo Morales chat as Brazil's President Michel Temer looks on while arriving for a family picture during a Mercosur trade bloc summit in Montevideo, Uruguay December 18, 2018. REUTERS/Andres Stapff 

Paraguay's President Mario Abdo Benitez, Argentina's President Mauricio Macri, Uruguay's President Tabare Vazquez, Brazil's President Michel Temer and Bolivia's President Evo Morales (L-R) pose for a family picture during a Mercosur trade bloc summit in Montevideo, Uruguay December 18, 2018. REUTERS/Andres Stapff 

Uruguay's President Tabare Vazquez, Brazil's President Michel Temer and Bolivia's President Evo Morales look on while posing for a family picture during a Mercosur trade bloc summit in Montevideo, Uruguay December 18, 2018. REUTERS/Andres Stapff 

Brazil's President Michel Temer and Bolivia's President Evo Morales look on while posing for a family picture during a Mercosur trade bloc summit in Montevideo, Uruguay December 18, 2018. REUTERS/Andres Stapff 

Argentina's President Mauricio Macri, Uruguay's President Tabare Vazquez and Brazil's President Michel Temer chat after posing for a family picture during a Mercosur trade block summit in Montevideo, Uruguay December 18, 2018. REUTERS/Andres Stapff 

Argentina's President Mauricio Macri, Uruguay's President Tabare Vazquez, Brazil's President Michel Temer and Bolivia's President Evo Morales chat after posing for a family picture during a Mercosur trade bloc summit in Montevideo, Uruguay December 18, 2018. REUTERS/Andres Stapff 

Brazil's President Michel Temer is welcomed by Uruguay's President Tabare Vazquez after arriving for a Mercosur trade bloc summit in Montevideo, Uruguay December 18, 2018. REUTERS/Mariana Greif 

Brazil's President Michel Temer is welcomed by Uruguay's President Tabare Vazquez after arriving for a Mercosur trade bloc summit in Montevideo, Uruguay December 18, 2018. REUTERS/Andres Stapff 

Brazil's President Michel Temer arrives for a Mercosur trade block summit in Montevideo, Uruguay, December 18, 2018. REUTERS/Andres Stapff 

Brazil's first lady Marcela Temer participates in the inauguration ceremony of the submarine "Riachuelo", built by the submarine development program (PROSUB) in Itaguai, Brazil December 14, 2018. REUTERS/Pilar Olivares 

Brazil's President Michel Temer, next to his wife Marcela, greets President-elect Jair Bolsonaro as they participate in the inauguration ceremony of the submarine "Riachuelo", built by the submarine development program (PROSUB), in Itaguai, Brazil December 14, 2018. REUTERS/Pilar Olivares 

Brazil's President Michel Temer speaks as he participates in the inauguration ceremony of the submarine "Riachuelo", built by the submarine development program (PROSUB), in Itaguai, Brazil December 14, 2018. REUTERS/Pilar Olivares 

Brazil's President Michel Temer speaks as he participates in the inauguration ceremony of the submarine "Riachuelo", built by the submarine development program (PROSUB), in Itaguai, Brazil December 14, 2018. REUTERS/Pilar Olivares 

Brazil's President Michel Temer and his wife Marcela participate in the inauguration ceremony of the submarine "Riachuelo", built by the submarine development program (PROSUB), in Itaguai, Brazil December 14, 2018. REUTERS/Pilar Olivares 

Brazil's President Michel Temer, President-elect Jair Bolsonaro, Brazilian Navy admiral Eduardo Bacellar Leal Ferreira and Bento Costa Lima Leite de Albuquerque Junior, General Director of Nuclear and Technological Development of the Navy, participate in the inauguration ceremony of the submarine "Riachuelo", built by the submarine development program (PROSUB), in Itaguai, Brazil December 14, 2018. REUTERS/Pilar Olivares 

Brazil's President Michel Temer and his wife Marcela participate in the inauguration ceremony of the submarine "Riachuelo", built by the submarine development program (PROSUB), in Itaguai, Brazil December 14, 2018. REUTERS/Pilar Olivares 

Brazil's President Michel Temer and his wife Marcela participate in the inauguration ceremony of the submarine "Riachuelo", built by the submarine development program (PROSUB), in Itaguai, Brazil December 14, 2018. REUTERS/Pilar Olivares 

Brazil's President Michel Temer and his wife Marcela participate in the inauguration ceremony of the submarine "Riachuelo", built by the submarine development program (PROSUB), in Itaguai, Brazil December 14, 2018. REUTERS/Pilar Olivares 

Brazil's first lady Marcela Temer participates in the inauguration ceremony of the submarine "Riachuelo", built by the submarine development program (PROSUB), in Itaguai, Brazil December 14, 2018. REUTERS/Pilar Olivares 

Brazil's President Michel Temer arrives for a breakfast with foreign media at Alvorada Palace in Brasilia, Brazil December 6, 2018. REUTERS/Adriano Machado 

Brazil's President Michel Temer reacts during a breakfast with foreign media at Alvorada Palace in Brasilia, Brazil December 6, 2018. REUTERS/Adriano Machado 

Brazil's President Michel Temer arrives for a breakfast with foreign media at Alvorada Palace in Brasilia, Brazil December 6, 2018. REUTERS/Adriano Machado