At an orphanage in Nepal there was one girl who couldn't keep her eyes open and looked so weak and delirious that Gordon wasn't sure she would survive.

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Turning ones eyes toward the U.S., weak personal income (as the private sector continues to de-leverage) continues to put pressure on the economic outlook, while political gridlock in Washington makes it unlikely that fiscal stimulus will come any time soon.

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Forcing both eyes to co-operate increases the level of plasticity or adaptability in the brain and allows the weak eye to relearn how to see, he said.

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