As political momentum surrounding climate change builds in the US, policymakers are taking a fresh look at national climate policy and American involvement in multilateral climate negotiations. And as in years past, the potential economic impact of any US effort to reduce greenhouse gas emissions stands as a central question in the Washington policy debate. Of particular concern is the effect climate policy would have on carbon-intensive US manufacturing. Many of these industries are already under pressure from foreign competition, particularly large emerging economies like China, India, and...