Embattled Missouri State provost steps down

Belinda McCarthy will remain with the school as a member of its faculty.

Leaks at aging nuclear plants difficult to detect, government reports

Recent reports from The Associated Press and the Government Accountability Office have nuclear power officials defending current safety regulations. 

AGING NUKES: Radiation bombards reactors, make them brittle

In certain emergencies, these vessels would flood with cooling water. If the vessel walls are too brittle, they could shatter and spew their radioactive contents into the environment.

AGING NUKES: Nuclear wear makes accidents more likely

The Nuclear Regulatory Commission has raised the limit on leaks at main steam isolation valves as well as allowed some nuclear plants to continue operations with much higher rates.

AGING NUKES: Tritium leaks found at many nuclear sites

Reports have indicated that the number and severity of the leaks has been escalating, even as federal regulators extend the licenses of reactors across the nation.

AGING NUKES: Investigation shows U.S. nuclear regulators weaken safety rules

An investigation conducted by The Associated Press found that the U.S. Nuclear Regulatory Commission has repeatedly loosened regulations on aging nuclear plants. 

LETTER: Two news stories on China raise questions of benefits to U.S.

More flood records fall in Nebraska as Missouri River rises

The Missouri River continues to rise throughout southeast Nebraska as more water is released from Gavins Point Dam in South Dakota.

ANALYSIS: Troop cuts herald shift in U.S. approach

The troop withdrawal indicates that with the 2012 presidential election approaching, Obama has begun scaling back his war goals.