RACHEL MARTIN, HOST:
If you've been following campaign news, you've probably heard a lot about the supposed truths of politics. These are the hard and fast rules pundits and politicians have gleaned over the years.
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MARTIN: This is just a small sample of claims we hear every election, and many pundits like to emphasize their definitive nature. And that annoys Randall Munroe.
RANDALL MUNROE: Because we've only had 56 presidential elections but there almost an unlimited number of historical variables you could look at.
MARTIN: Monroe draws a popular Web comic called XKCD, and he decided to poke some fun at this kind of political analysis. So he's written a list of would-be rules for every presidential election, like the election of 1796 when this was true.
MUNROE: No one without false teeth has ever become president.
MARTIN: But then John Adams broke the denture barrier. And Munroe goes on.
MUNROE: Until 1884, candidates named James were undefeated.
MARTIN: Which was once true of all the major party nominees. And then there's a rule that might make our own Will Shortz proud.
MUNROE: In 1996, it would have been just as true to say no Democratic incumbent without combat experience has beaten someone whose first name is worth more in Scrabble.
MARTIN: But like some pundits, Munroe had to issue a few corrections after he put up his rules. So President Barack Obama's campaign might take this truism with a grain of salt.
MUNROE: No nominee whose first name contains a K has ever lost.
MARTIN: And, of course, every rule is a rule until the moment it's not.
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MARTIN: You're listening to NPR News. Transcript provided by NPR, Copyright NPR.