Preview: Down Dilemma

Over the past decade, Iceland has virtually eliminated new cases of Down syndrome through widespread use of genetic testing. But some are troubled by a society that can "pick and choose" which children get born. Elaine Quijano went to Iceland to look at the impact for "CBSN: On Assignment."


(Source: CBS News, https://www.youtube.com/watch?v=1bj9JJsreCs)