Director, Center for International Energy and Environmental Policy and the Energy and Earth Resources Graduate Program at The University of Texas at Austin.

FORBES: Cancer Stocks

In 2006, the administration created the Global Nuclear Energy Partnership, an international program among nuclear nations that, among other things, seeks to develop ways to reprocess spent nuclear fuel.

FORBES: The World's Most Nuclear Nations

Security Council has asked Iran to halt its uranium enrichment program, and the International Atomic Energy Agency, the U.N. nuclear watchdog, has asked Iran to clear up questions about the nature of its work.

CNN: Germany warns Iran of sanctions