The book may throw some light on the influence women had in the Hitler circle, an area largely unexplored by historians.

ECONOMIST: Lida Baarova

However, the past can throw some light on things.

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Occasionally cases come to court which throw light on a system of patronage and nepotism which means everyone who is anyone in Iranian society has some kind of connection to the ruling mullahs.

BBC: Changing money is supposed to have got easier