Nat'l. Geographic goes video

National Geographic is getting into video games. The first title already out is available for computers and the iphone. It's "Herod's Lost Tomb." They're calling it entertainment with substance. Coming up, they're going to launch games for Nintendo DS about Pandas, and Zoo's. And down the road, titles include "Rain Forests," "Greencity" and "Africa." The timing couldn't be better. How far away are the holidays? Details here.