linked to mortgage-backed securities gone bad. oregon officials say the state invested in $200 million in home loans owned by countrywide, which led to a $29 million loss. that's it for cnbc business worldwide. >> eight american troops have been filled in two attacks in afghanistan. they came as the taliban pushed back against coalition efforts to secure kandahar. a suicide car bombing struck afghan police headquarters, and then minutes later, insurgents open fired with machine guns and rocket-propelled grenades. poor conditions inside virginia's upper big branch mine ar hampering investigations into the mine explosion. it may be the end of year before they're able to issue a final report. three new orleans police officers pleaded not guilty to shooting to death two unarmed residents on a new orleans