BUSINESS

For the Love of Carbon

Paul Krugman, professor of international trade and economics at Princeton University and Nobel Prize-winning economist, pause
Paul Krugman, professor of international trade and economics at Princeton University and Nobel Prize-winning economist, pauses during a news conference at the 11th World Knowledge Forum in Seoul, South Korea, on Wednesday, Oct. 13, 2010. Krugman and Niall Ferguson, author of 'The Ascent of Money: A Financial History of the World,' clashed anew today over how to revive the U.S. economy. Photographer: SeongJoon Cho/Bloomberg via Getty Images

It should come as no surprise that the very first move of the new Republican Senate is an attempt to push President Obama into approving the Keystone XL pipeline, which would carry oil from Canadian tar sands.

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