But in a column that appeared in The Lancet, one of the doctors who first called attention to the alleged danger said he was not satisfied.

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Two days later, the district moved to fire a 25-year-old English teacher, Hope Moffett, who had publicly questioned the turnaround and provided students with transit tokens for the rally, which officials alleged placed students in danger.

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There is a danger that over time quality will drop as other alleged malts are added to the blend.

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The danger is made worse because the ways in which Google is alleged to have tilted the playing field are difficult to detect.

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