It can't be proven unless the man was wearing a blue dress at the time. But some facts could be investigated to substantiate his story. Did his nephew graduate on the days cited? Can he produce the credit card receipts he says he's trying to get? Can the limo driver substantiate any of this? What was the name of the club they met at?

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We should invade their countries, kill their leaders and convert them to Christianity. -- Ann Coulter