XKCD have produced a fantastic infographic of the US Congress, which looks at ideological slants and the events which seem to have affected the make-up of the Congress. It is notable how economics and finance have affected US politics. For example the Panic of 1873, the Bimetallic issue of the 1890s, and the Great Depression are highlighted in the infographic.
According to Robert Shiller , speaking at Davos, Bitcoin is a perfect example of a bubble - story here . Shiller sees Bitcoin as a backwards step in the evolution of money. George Selgin , a free banker, takes an opposing view - click here . Although he doesn't believe that Bitcoin is money, he sees its development as a fascinating turn in the evolution of money. In particular, he lauds the fact that Bitcoin production is constrained and cannot be infinite. There is a short video below where Bitcoin explain how it works.