Cap and trade isn’t the only novel economic policy in the climate change bill that’s headed for the Senate. A last minute addition to the Clean Energy and Security Act calls for mandatory “carbon tariffs” on imports from countries that won’t commit to significant greenhouse gas cuts. While some argue the provision will help keep jobs at home and reduce emissions abroad, others say the fees would complicate U.S. efforts to negotiate an international treaty to address climate change. Host Jeff Young talks with George Washington University law professor Steve Charnovitz about what’s at stake.