Sometimes it can be hard to quantify what makes something or someone politically 'left' or 'right'. For those who want a ready reference then David McCandless and Stefanie Posavec of Information is Beautiful have come to the rescue with their Left vs Right Diagram. The link is to Version 1.5 which was updated after some discussion with conservatives (McCandless is a lefty). There is a US version and a World version.
While your there check out the rest of this amazing site full of beautifully presented information.