The former chief executive often refused to give yes or no answers, and would try to elaborate.

NPR: Skilling Continues to Assert Innocence at Enron Trial

If that fails, BP will have to try more elaborate measures.

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Still, given the recent deaths, the MTA is being urged to try a more elaborate and expensive option: glass safety barriers.

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But spas being spas, most try to fancy things up a bit and present a bigger, more elaborate treatment.

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