Tense relations between Mr Berlusconi and Mr Napolitano may not be the only legacy of this affair.

ECONOMIST: Italy and the right to die

That may be another reason why the option-laden Microsofties in Washington are looking so tense.

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"So there may be situations in which the taking of photographs may cause or lead to public order situations, inflame an already tense situation, or raise security considerations, " it said.

BBC: Is it a crime to take pictures?