"Once more, the GOP runs the risk of appearing to be blinded by their partisanship, " Begala said.

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But radar can be blinded by bad weather, and not all volcanoes are within range of suitable equipment.

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They warned their colleagues in the legislature to not be blinded by flashes of purple and gold and to think about the cost to taxpayers.

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Infra-red (IR) camera monitors currently used by firefighters require lenses that can be blinded by intense fire, said researcher Pietro Ferraro, of the Consiglio Nazionale delle Ricerche (CNR) Istituto Nazionale di Ottica in Italy.

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He makes this case by offering pen-portraits of four charismatic war leaders who were not career soldiers themselves but nonetheless refused to be blinded by military science or fobbed off by senior officers who insisted that they knew best.

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Hopefully, the Tea Partiers will see it for what it is worth and not be blinded and bullied by the Koch brothers and their wealthy friends into believing otherwise.

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"It became clear to us that we had in our hands a technology that could be exploited by emergency responders and firefighters at a fire scene to see through smoke without being blinded by flames, a limitation of existing technology, " Ferraro says.

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But progress isn't pretending to be color blind, it's not being blinded by the person's color.

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Did Princess Beatrice truly think her hat was a flattering addition to her outfit or was she blinded by the fact that Philip Treacy designed it and, therefore, it had to be beautiful?

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