A stash of forgotten love letters from the late 1930s to the 1950s reveals the longing and suffering of Spanish women and their Moroccan loves and shines a light on a little-known corner of colonial history soaked in racism and sexism. The letters were confiscated at the time by censors under the Franco regime,the loves thwarted. At the time, when part of Morocco was under Spanish rule, Spanish authorities bent over backward to keep the two nationalities apart. Gerry Hadden has the story from Barcelona.