Normally when a guest sits down for a World Cafe interview, our producers or I help them adjust their microphone to the correct distance and angle. And if a piece of technology is misbehaving, we'll sort it out and hopefully our guest will be none the wiser. Not Vanessa Parr. On the day she visited the World Cafe studio, Parr couldn't resist adjusting her own mic to absolute perfection and helping us troubleshoot some finicky recording software. Call it an occupational hazard for someone who is used to making other people sound their very best day in and day out.

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