This week, we talk about why some people say "pin" and "pen" the same way, why citizens of the United States call themselves "Americans" when other people live on the American continent too, and why flags can be flown at half-mast or half-staff. 

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The Pin/Pen Merger http://bit.ly/pin-pen-merger
'American' http://bit.ly/demonyms
'Half-Staff' and 'Half-Mast' http://bit.ly/half-mast-staff

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