A British spy credited with using his cover as a passport officer to save thousands of Jews from Nazi Germany has been honoured as "a true British hero". Frank Foley was posted to Berlin in the early 1920s by the Secret Intelligence Service, the predecessor of MI6. After Adolf Hitler rose to power in 1933, Foley used his official job as the embassy's passport control officer to issue visas to Jews fleeing Nazi persecution -- often bending rules under which London was trying to limit Jewish migration to British-ruled Palestine. "Without diplomatic immunity, at considerable personal risk to himself, this...