The irrefutable proof of excess demand is that universities pay legions of employees to turn down perfectly good business.

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This decision to add a touch screen to its most expensive (and arguably most important) laptop is irrefutable proof of where the industry is heading.

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When these computer models predictably claim, based on our speculative and pessimistic underlying assumptions embedded in the computer programs, that global warming will be bad, this is undeniable, irrefutable proof that humans are causing a global warming crisis.

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