This is about the proposed pipeline that would transport Canadian tar sands oil across the middle of the US to the Gulf. If President Obama refuses to approve the pipeline, it does not get built. Not at all complicated.--Tom - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - To unsubscribe from the IOWA-TOPICS list, send any message to: [log in to unmask] Check out our Listserv Lists support site for more information: http://www.sierraclub.org/lists/faq.asp