Detailed text transcripts for TV channel - MSNBC - 20170408:21:39:00
Welcome back. i'm yasmin vossoughian. this week's chemical attack in syria was one of the worst in the country's history, and it drew's world's attention. heartbreaking images emerged showing children gasping for air, parents clutching their dead children and aid workers trying to save lives. joining us is nbc news medical correspondent dr. john torres. thanks for joining me. the russians are now contending this was not a chemical attack. from what you can see. >> it's hard to think of anything else. some of the symptoms they're showing are very typical for this type of attack. their pupils ar...