If you've ever been flummoxed by the US Senate's bizarre practice of days-long minority filibusters which result in the blocking of bill after bill despite a majority in favor of the legislation, here's Filibustery to the rescue. In a series of videos (the first one is up now, and embedded above) as well as interactive tutorials, Filibustery explains the arcane Senate rules that permit this kind of legal spoilery and makes a good case for a sane set of reforms.
(via MeFi)