This Monday, the Smithsonian was scheduled to wrap up the biggest crowdfunding campaign ever undertaken by an American museum. The subject of the exhibition in question? Yoga. At the time of this writing, the Freer Sackler Galleries have decided to extend their month-long campaign another week, and have already surpassed their $125,000 goal by over $4,000. Clearly, this is one show the population of D.C. will pay to see. As a spokeswoman said, “There are between 20 and 40 million yoga practitioners in the United States, and an ethos of community that already surrounds yoga.