But some of it is, I think, a lack of creativity in terms of thinking about how do you keep costs down.

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In thinking about Bush, I keep coming back to Ronald Reagan.

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McIlroy endured a slump last summer, missing four cuts in five events, which he broke out of only after deciding, on the range one day at the WGC Bridgestone in Ohio, to stop thinking about plane angles and positions and instead keep it simple.

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Be careful what you keep on it and if you lose it, immediately start thinking about your risk exposure.

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In looking for a solution, engineers are certainly thinking about how to keep to a minimum the amount of water they recover alongside the oil.

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It also got me thinking and obsessing about how important it is for women who take time off to keep a foot in the door.

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"I just keep thinking about saving for the near future when I want to have a family, buy a house, " she said.

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