Samia Suluhu Hassan is a soft-spoken, Muslim woman thrust from the obscure role of Vice President to become Tanzania’s first female leader after John Magufuli’s sudden death. Under the constitution, Hassan, the country’s 61-year-old vice president, will serve the remainder of Magufuli’s second five-year term, which does not expire until 2025. She will also become the first female President in East Africa. After consulting with her Chama Cha Mapinduzi ruling political party, Suluhu will propose her possible successor as Vice-President with the official appointment being confirmed by the National Assembly via votes...