Highly shareable due to its succinctness, the Obama campaign went to work making sure it spread far and fast.

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But then Mr Prodi is hardly famed for succinctness.

ECONOMIST: The head of the European Commission is losing his cool

The difference was dramatic and, because the media is abuzz with commentary about body language, eye contact, succinctness, and assertiveness, I will confine my comments to only one aspect of preparation: facts.

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