Disaster relief agency shows progress over past decade, but challenges remain.
FEMA’s supply chain system might not aid disaster victims effectively, report says.
Experts ask if super-storms require new approaches to risk regulation, insurance, and disaster management.
Nuclear Regulatory Commission unlikely to follow the GAO's recommendation.
GAO identifies oversight challenges in administering federal grants to state and local governments.
Lawmakers study the nuclear disaster in Japan and debate the necessity of improvements to American nuclear safety