The Keystone XL is a proposed 1,700-mile pipeline that would carry acidic crude oil from Canada’s Alberta tar sands to refineries along the Texas Gulf Coast. Today, we speak with landowners who oppose the creation of the pipeline, which spurred environmentalists around the country to action. Earlier this month, hundreds marched on the White House to protest the pipeline. Over two hundred people were taken away in handcuffs – including high-profile activists Bill McKibben, Gus Speth and Lietenant Dan Choi. We also consider the ethics and societal implications of the pipeline with Canadian philosopher David Goa.