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Japan confirms it will return some nuclear explosive materials to U.S.

By Douglas Birch

Improving security for nuclear explosives remains a diplomatic struggle

By Douglas Birch

Plutonium fever blossoms in Japan

Japan could be building an irresistible terrorist target, experts say

Japan agrees to return some plutonium

By Douglas Birch

A world awash in a nuclear explosive?

By Douglas Birch and R. Jeffrey Smith

Nuclear Waste: Energy Department proposes to kill multi-billion dollar nuclear fuel plant

By Douglas Birch and R. Jeffrey Smith

Nuclear Waste: Auditors find continuing mismanagement at nuclear fuel plant

By Douglas Birch

Nuclear Waste: Cost of South Carolina fuel plant goes up by billions of dollars — again

By R. Jeffrey Smith and Douglas Birch

EPA abandons major radiation cleanup in Florida, despite cancer concerns

By Douglas P. Guarino

U.S. literacy program for Afghan military comes up short

By Mattie Quinn and R. Jeffrey Smith

Justice Department says federal contractor routinely faked security clearance reviews

By R. Jeffrey Smith and Mattie Quinn

Cold, damp, underground cheating

By R. Jeffrey Smith, Mattie Quinn and Douglas Birch

Afghanistan's narcotics problems grow worse

By R. Jeffrey Smith and Mattie Quinn

Global progress seen in securing nuclear materials

By Douglas Birch

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