"My basic tenet here is I don't think we should create life to enhance life and to do research and so forth, " Shelby said Sunday.

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Instead of imposing meaningless productivity targets, we should be aiming to enhance and protect not only the value of the care but also the experience of the caregiver.

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If we really want to enhance our social selves in this online age, we should turn our attention to Williams syndrome.

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We should be able to figure out other ways to enhance safety.

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The security of the manufacturing technology we are funding should be used to create American jobs and enhance our defense capabilities.

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But overall, the reason you should have confidence that we want a partnership is because your success will enhance our position rather than reduce it.

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This strategic momentum has carried into 2012, as the recent WTO agreement with China, highlighting IMAX, should enhance programming flexibility in our biggest international market, and we have also made early progress toward igniting network growth in Latin America and Europe.

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And so our goal with this Nuclear Security Summit has always been to be very specific, concrete, around a set of issues that if we act with some deliberateness, can actually enhance everybody's security and should not be controversial.

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We should not, however, allow our fear of negative stereotypes steer us away from knowledge that can enhance the way in which we do business.

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