Megan Quinn(ph) is standing with her parents and sister Katie near the front of a joyfully crowded line in a Bethesda, Maryland, bookstore.

NPR: Harry Potter Fans Slug Down Pages of 'Prince'

These days, most athletes are aware that they're role models and know that when the world is watching, there's a time and place to jump up and down joyfully and to pound a wall in anger.

CNN: The highs and lows of the 2012 Olympic 'crying games'

Until recently, Pakistan was a joyfully argumentative and outspoken place.

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