Taxing Foreign Companies for CO2 Emissions: American Protectionism?

Photo via ECVV Yesterday, Energy Secretary Stephen Chu told a congressional panel that they should consider taxing imported goods from foreign companies that don't try to limit their greenhouse gas emissions. China's top climate negotiator immediately shot back, saying that the idea was a thinly veiled "excuse to impose trade restrictions." He went on to claim that such a tax would be American protectionism masquer...