If you're really desperate for a boost in the eleventh hour, stick with coffee or tea rather than soda and energy drinks, which come with a sugar slump, says Helen Pak, registered dietician and nutritionist at University of California at Berkeley Student Health Services.

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Tony Blair has rejected a backbencher's call for him to instruct officials to serve coffee and tea in his office only from suppliers who stick to "fair trade standards".

BBC: News | UK Politics | Commons stir over coffee

So you know, maybe not the corner of the coffee shop with the PA-on-a-stick sort of thing, but enough good - you know, enough of a good room to shine but that you really are making a connection with people that's very direct.

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