Almost two years and more than $1 billion has been spent in New Orleans since Hurricane Katrina to fix the city's levees. But the Army Corps of Engineers says some neighborhoods are still vulnerable to floods.

The EPA announced new recommendations today on tightening limits on ground-level ozone. But, as Sarah Gardner reports, the agency's decision was about as clear as a summer day here in Los Angeles.

President Bush has stated that the job of recovering shareholders' money from banks involved in the Enron scandal should be left to SEC attorneys. But commentator Jamie Court contends the best path to justice is through the private sector.