The high financial risks for U.S. taxpayers of new reactor loan guarantees have led the Office of Management and Budget to take a more cautious approach than the nuclear power proponent, U.S. Department of Energy, ClimateWire reports. Such caution is wise, given the litany of new reactor cancellations, suspensions, skyrocketing cost overruns, and licensing/construction schedule delays, as documented by Physicians for Social Responsiblity in "Nuclear Power: The Renaissance That Wasn't."