Tour company says guides on deadly ski trip were avalanche trained

At least eight skiers have been found dead, and one is still missing after an avalanche the size of a football field struck in California's Sierra Mountains on Tuesday. CBS News chief correspondent Matt Gutman has the latest. At least eight skiers have been found dead, and one is still missing after an avalanche the size of a football field struck in California's Sierra Mountains on Tuesday.

CBS News chief correspondent Matt Gutman has the latest.