Even before this oil leak, BP's safety policies were in doubt following major accidents in Alaska and Texas in the past decade.

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Even the Communist Party still commands as much as although most people doubt that the Czech Republic will ever return to its autocratic past.

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Given their past performance, many doubt this.

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Getting past your own excruciating self doubt is the biggest hurdle to blowing it out of the water.

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Dosing levels have crept up by a factor of four over the past decade, though some doubt that this makes dialysis patients live longer.

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