rial Guinea).Receiving dishonorable mentions are King Mswati III (Swaziland), Aleksander Lukashenko (Belarus) and Fidel Castro (Cuba), the world's longest-reigning -- and in Latin America an almost beloved -- dictator.Wallechinsky developed his list by consulting such human rights groups as Freedom House, Amnesty International, Human Rights Watch and Reporters Without Borders.- - -Mans inhumanity