Vice President Joseph R. Biden Jr., who spent a long time in the Senate, explains to Jon Stewart why it's so hard to get legislation passed -- especially when the Democrats are in charge.  

President Obama's campaign manager David Plouffe went under the radar after his boss was elected president but now has a new book out, "The Audacity to Win." On "The Daily Show" he discusses the president's long-term vision for health care, the environment -- and how a light saber comes in handy.