CBS News looks into the skinny model debate and find out that yes, as we've all noticed, most of the runway models these days are teenagers who are seriously underweight. Many of these girls come from Eastern Europe and are lying about their ages. One brand bucking the trend is Calvin Klein, where designer Francicso Costa used older models for the show, such as Stella Tennant and Kristen McMenamy. They are still slim, but they are healthy, adult women. Take a look: