Wildfires: Big Threats and Big Business

The US is losing the fight against wildfires, which are bigger, more numerous and more costly than ever before. We hear how firefighting has become an industry, which sometimes makes matters worse. Can we learn to live more successfully with a growing menace that's not going away? Also, Israeli Prime Minister Ehud Olmert to step down, and a massive sheet of ice breaks off from Ellesmere Island in Canada.