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"For better or worse, Richard M. Nixon left his mark on American politics. There were plenty of high and low points in between the family ranch and the helicopter ride away from the White House. How much do you know about the 37th U.S. president?"^^<http://www.w3.org/2001/XMLSchema#string>
<http://history.howstuffworks.com/historical-figures/richard-nixon-quiz21.htm>