The Smithsonian is a heck of a lot more than its 21 museums. Today on Civics 101 Richard Kurin tells us all about about an institution that interacts with all three branches of government,  has a budget of over a billion dollars, and is dedicated to "the increase and diffusion of knowledge" among all.  

So how did it start? How does it run? What does the Chief Justice have to do with all this? And, finally, why do we collect items in the first place?

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