Energy independence has been a U.S. theme since 1973. Two controversial pipeline projects received attention in 2011: the Nord Stream natural gas pipeline, connecting Western European consumers to Russia and Central Asia; and Keystone XL which will take petroleum from Canadian oil sands in Alberta to refineries in Louisiana and Texas.

Should energy security or greenhouse gas reduction take priority?

Should U.S. discourage consumption by imposing taxes to increase energy prices?

To what extent is the security of Europe’s natural gas and oil supply from Russia a legitimate U.S. concern?