By Jaqueline Sordi As a Black Amazonian woman, former environment minister and just-elected congresswoman, Marina Silva is one of the most complex and fascinating figures in current Brazilian politics. As the daughter of rubber tappers who learned how to read and write at 16, her strength and intellectual consistency contrast with her fragile physique — the result of a series of illnesses that affected her throughout her life, such as malaria, mercury contamination and leishmaniasis. Those were not obstacles in her history of achievements in politics and the international scene. In the 2022 el…