What was the two-word code name for Woodward and Bernstein's secret Watergate source?

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Arthur Ashe is best known for his career in what sport?

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Dr. Hans Zarkov is a character from which classic American comic strip?

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Which European country replaced the Deutsche mark with the Euro?

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Under what Roman pseudonym were the Federalist Papers written?

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Winkle is a species of edible what?

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