Historians refer to the Spanish Civil War as one of the bloodiest wars of the twentieth century. In 1937, at Mexico's request and offer, nearly 500 children from Spain-- remembered as Los Niños de Morelia-- were relocated via ship to Mexico to escape the war's violence. Marco Alcalde and his sisters Isabel and Ana were among them. No one could have foreseen another world war was on the way, or that Franco's regime would prevent the children from...