USA Today: “The U.S. Senate has for years lived by a secret book of rules that governs everything from how many sheets of paper and potted plants each Senate office is allotted to when Senators can use taxpayer money to charter planes or boats. The document has never been available to the public — until now.”
U.S. Senate Handbook:


?Political Trivia
Eight moments in political history. Put them on a timeline.
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Five senators. Three bills. Can you guess how they all voted?
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Nine Justices. One case. How did they rule?
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Do you have your finger on the pulse of America?
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Four questions a day.
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A new game every day.