Rescuers search quicksand-like ground for Wash. mudslide victims
Search teams have had to resort to using their hands to dig through the thick mud, and cameras are being inserted into air pockets in the hope of finding survivors of a mudslide that struck Oso, Wash. The threat of another mudslide and more rain has prolonged the search and the agony for anxious family members. Danielle Nottingham reports.