The full episode of the CBS Evening News from August 8, 2013
Firefighters are burning brush to create larger containment lines in an effort to stop a wildfire in Southern California. The fire has burned 10,000 acres since it broke out Wednesday; and after the Boston Marathon bombing, demand has increased for bomb-sniffing dogs. The Pentagon spent six years and $19 billion researching high-tech bomb-detection systems, but it concluded the best detector is still a dog.
