As  Uganda's President Yoweri Museveni was sworn in on Tuesday, observers and political leaders across  East Africa  reflected on the trajectory of a man who in 1986 emerged from military fatigues, and a country wracked by civil war, to then rule for 40 years. Regional leaders, including the Democratic Republic of Congo's President Felix Tshisekedi, President Samia Suluhu Hassan of Tanzania, Nigeria's President Bola Tinubu, and former Kenyan  President Uhuru Kenyatta traveled to Uganda's