CNN Weed 2 Cannabis Madness Dr. Sanjay Gupta March 23, 2014 03:53:00
>> bill savage. are pilots aware of what is in the flight cargo hold? yes, they have some idea. but what cargo concerns might pilots have the most? might concern pilots the most? >> the hazardous materials is our biggest concern. explosives, etiological agents. and just the general -- there's a whole milieu of dangerous goods that airlines -- some are prohibited from carrying, some specialize in carrying and the pilots get paperwork concerning that. >> thank you very much, everyone. stay there. thanks for sharing your expertise this hour. as the families wait for answers you are about to see t...