It was he who approached Mr Buffett last year and he did it the way the Nebraska investment guru likes best, with a short, to-the-point letter.

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While a source close to the investigation told CNN that officials doubt the short letter would be enough to "send him over the edge, " Weston's parents told the FBI that they believe "the letter would have scared their son about the federal government, " according to an FBI affidavit filed to obtain a search warrant for his residence.

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He said he was often waylayed on his short walk back home by colleagues asking him to hand in a petition or a letter to the Pope because of the privileged position he enjoyed inside the Pope's immediate entourage.

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Overlooking the fact that such a thing would be nearly impossible to prove short of an outright confession, the fact that this letter has gotten so much attention speaks to the true magnitude of this fan uprising.

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"As any golfer who has watched his partner shank a short approach knows, it would be absurd to accept the suggestion that the resultant four-letter word uttered on the golf course describes sex or excrement and is therefore indecent, " he wrote.

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The letter prompted Ms Jean, a former refugee from Haiti, to cut short a trip to Europe to rush back to Ottawa.

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